to harden

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dūro, āvi, ātum, 1, v. a. and n. [durus], to make hard, to harden (mostly ante-class. and post-Aug.; not in Cic.).

Lit.

Act.:

quae nobis durata ac spissa videntur, Haec, etc.,

Lucr. 2, 444; so in the part. perf.:

coria (with condurare ferrum),

id. 6, 970; cf.

cutis,

Ov. M. 4, 577:

caementa calce (opp. interlita luto),

Liv. 21, 11:

ova in aqua,

Plin. 29, 3, 11, § 45:

pontus frigore,

Ov. P. 4, 9, 85:

nives solo,

Hor. C. 3, 24, 39:

aqua salibus,

i. e. strongly saturated, Col. 7, 4 fin., v. durus, I.:

ungulas (mularum),

id. 6, 37, 11:

ferrum ictibus,

Plin. 34, 15, 43, § 149:

guttas in grana,

id. 12, 19, 42, § 94:

uvam fumo,

i. e. to dry, preserve, Hor. S. 2, 4, 72.—In medic. lang.: corpus, i. e. to bind, make costive, opp. mollire, Cels. 2, 14; cf. id. 2, 33 fin. —In fullers' lang., to harden, stiffen or full cloth: Art. Non queo durare. Par. Si non didicisti fulloniam, non mirandumst, Plaut. As. 5, 2, 57 (with a punning reference to the meaning II. A. 2.).—

Neutr.:

tum durare solum et discludere Nerea ponto Coeperit, i. q. durescere,

Verg. E. 6, 35; so,

vino minime durante, uva maxime,

Plin. 14, 3, 4, § 37.—

Trop.

(Acc. to durus, II. A. 2.).

Act., to harden with use or labor, etc.; to make hardy or callous, to inure (class.):

opere in duro membra manusque,

Lucr. 5, 1359; cf.:

membra animumque,

Hor. S. 1, 4, 119:

umeros ad vulnera,

Verg. G. 3, 257: hoc se labore durant homines adolescentes, * Caes. B. G. 6, 28, 3; cf.:

exercitum crebris expeditionibus, patientiaque periculorum,

Vell. 2, 78, 2:

cor,

Plaut. Ps. 1, 3, 6; cf.

mentem,

Tac. A. 3, 15 al.:

ab duratis usu armorum pulsi,

Liv. 7, 29; so in the part., id. 23, 18; 30, 28:

durati bellis,

id. 42, 52:

vitia durantur,

grow inveterate, Quint. 1, 1, 37.—

Neutr. (so most freq.), to be hardened, inured to troubles, i. e. to be patient, to wait, persevere; to endure, hold out:

durare nequeo in aedibus,

Plaut. Am. 3, 2, 1; cf. id. Men. 5, 2, 31; Ter. Ad. 4, 2, 15; Liv. 5, 2, 7; 38, 7 fin.; Quint. 11, 3, 23; Verg. A. 9, 604; Hor. Ep. 1, 1, 82 al.; cf. impers., Liv. 10, 46:

durate et vosmet rebus servate secundis,

Verg. A. 1, 207; cf. Suet. Calig. 45; Auct. ap. Quint. 9, 2, 91; Ov. Am. 3, 11, 27 al.:

nequeo durare, quin, etc.,

Plaut. Curc. 1, 3, 22:

durare nequeo quin intro eam,

id. Mil. 4, 6, 34; Suet. Claud. 26.—

With acc., to bear, endure ( poet. and in post-Aug. prose):

patior quemvis durare laborem,

Verg. A. 8, 577:

quascumque vias,

Stat. S. 5, 2, 153;

and of inanimate subjects: sine funibus Vix durare carinae Possunt imperiosius Aequor,

Hor. C. 1, 14, 7; cf.:

(vitis genus) quod siccitatem durat et ventos,

Pall. Febr. 9, 1.—

With inf.:

non quis parumper durare opperier,

Plaut. Truc. 2, 3, 5.—

In gen., to hold out, to continue in existence, to last, remain (very freq.): Ar. Ubi illaec (talenta) quae dedi ante? Cl. Abusa. Num si ea durarent mihi, [p. 621] etc., Plaut. As. 1, 3, 44:

uti quam diutissime durent oleae,

Cato R. R. 58; 104; Varr. R. R. 1, 59, 3:

omnem durare per aevom,

Lucr. 3, 605; cf. id. 3, 812; Verg. G. 2, 100; Suet. Calig. 6 al.:

neque post mortem durare videtur (corpus),

Lucr. 3, 339; cf. ib. 561:

ad posteros virtus durabit,

Quint. 3, 1, 21; cf. id. 1, 11, 18; 3, 1, 9; 5, 11, 41:

maneat quaeso duretque gentibus, si non amor nostri, at certe odium sui,

Tac. G. 33:

durante originis vi,

id. Agr. 11; cf. Petr. 96, 3:

durante bello,

Tac. A. 14, 39; so with adhuc, Suet. Gramm. 24; cf.:

munera, quibus donatus est, durant, ostendunturque adhuc Bais,

are still in existence, id. Tib. 6 et saep.—With inf.:

ut vivere durent,

Luc. 4, 519; so Sil. 10, 653; 11, 75; Petr. 41, 2.—In Tacitus sometimes of persons, for vivere, to live:

narratum ab iis, qui nostram ad juventam duraverunt,

Tac. A. 3, 16; id. Or. 17; id. Agr. 44. And once in the same author (acc. to the better reading) of extension in space: durant colles (= continuantur, ultra porriguntur; French, s'y prolongent), extend continuously to the frontier, Germ. 30.—

(Acc. to durus, II. B.)

Act., to render hard, callous, insensible; to dull, to blunt (rare and perh. not ante-Aug.):

aerea dehinc ferro (Juppiter) duravit saecula,

Hor. Epod. 16, 65:

ad plagas durari,

Quint. 1, 3, 14 (cf. §

12: quae in pravam induruerunt): ad omne facinus durato,

Tac. H. 4, 59.—Of the affections, Vulg. Job, 39, 16.— Pass.:

linguae vitia, inemendabili in posterum pravitate durantur,

to become confirmed, incurable, Quint. 1, 1, 37.—

Neutr., to be hard, stern, callous, insensible (rare and not ante-Aug.):

ut non durat (pater) ultra poenam abdicationis,

Quint. 9, 2, 88:

in nullius umquam suorum necem duravit,

Tac. A. 1, 6; Petr. 105 fin.; cf.:

usque ad caedem ejus duratura filii odia,

Tac. A. 14, 1 fin.

in-dūro, āvi, ātum, 1, v. a. and n., to make hard, to harden ( poet. and post-Aug.).

Lit.:

nivem Indurat Boreas,

Ov. Tr. 3, 9, 14:

sues indurantes attritu arborum costas,

Plin. 8, 52, 78, § 212.—

Trop., to harden, steel:

indurandus est animus,

Sen. Ep. 51:

adversus omnia, quae accidere possunt,

id. ib. 4:

frontem,

to render shameless, id. Ben. 7, 28.—

Neutr., to become hard, harden:

quae (creta) si induraverit,

Veg. 3, 82, 2.— Hence, indūrā-tus, a, um, P. a., hardened.

Lit.:

robora indurata flammis,

Stat. Th. 4, 64.—

Trop.:

induratus praeter spem resistendo hostium timor,

Liv. 30, 18, 3:

Germanis quid induratius ad omnem patientiam?

Sen. Ira, 1, 11. [p. 939]

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con-cresco, crēvi, crētum, 3 ( inf. perf. sync. concresse, Ov. M. 7, 416), v. n., to grow together; hence with the prevailing idea of uniting, and generally of soft or liquid substances which thicken; to harden, condense, curdle, stiffen, congeal, etc. (very freq., and class. in prose and poetry).

Prop.:

concrescunt semina (opp. extenuantur),

Lucr. 4, 1261; 6, 626; cf.:

concrescunt subitae currenti in flumine crustae,

Verg. G. 3, 360;

opp. liquere,

Cic. Univ. 14: rigido concrescere rostro Ora videt, to stiffen into a hard beak. Ov. M. 5, 673; cf.:

Aconteus Gorgone conspectā saxo concrevit oborto,

id. ib. 5, 202 (cf. also saxoque oculorum induruit umor, id. ib. 5, 233):

quo pacto pluvius concrescat in altis Nubibus umor,

Lucr. 6, 495; cf. id. 6, 250:

imbres gelidis concrescunt ventis,

Ov. M. 9, 220:

(aqua) neque conglaciaret frigoribus neque nive pruināque concresceret, etc.,

Cic. N. D. 2, 10, 26:

gelidus concrevit frigore sanguis,

Verg. A. 12, 905:

cum lac concrevit,

Col. 7, 8, 3; cf. Ov. M. 12, 436: concretos sanguine crines, stuck together or clotted, Verg. A. 2, 277; cf.:

concreta sanguine barba,

Ov. M. 14, 201.—With in and acc.:

crystalli modo glaciari et in lapidem concrescere,

harden into, Plin. 36, 22, 45, § 161; cf.:

aër... tum autem concretus in nubis cogitur,

Cic. N. D. 2, 39, 101.—

Meton.

To take form, to grow, increase:

de terris terram concrescere parvis,

Lucr. 1, 840:

terrā in ipsā taetro concrescere odore bitumen,

id. 6, 807; Verg. E. 6, 34; cf.:

indagatio initiorum unde omnia orta, generata, concreta sint,

Cic. Tusc. 5, 24, 69; 1, 24, 56:

valles, quae fluminum alluvie et inundationibus concreverint,

Col. 3, 11, 8.—With ex:

omne corpus aut aqua aut aër aut ignis aut terra est, aut id quod est concretum ex aliquā parte eorum,

composed, formed of, Cic. N. D. 3, 12, 30; so id. ib. 3, 14, 34; Tac. A. 13, 57.—

Trop.:

illud funestum animal, ex nefariis stupris, ex civili cruore concretum (al. conceptum),

Cic. Pis. 9, 21. —

(Con intens.) To grow strong, to rise by growing, etc. (so very rare):

(lana) quanto prolixior in pecore concrescit, tanto, etc.,

Col. 7, 3, 10 (but in Lucr. 5, 833, the best reading is clarescit; v. Lachm.).—Hence, concrētus, a, um, P. a. (acc. to I.), grown together, concrete, compound, condensed, hardened, thick, hard, stiff, curdled, congealed, clotted, etc. (class.):

dubitare non possumus quin nihil sit animis admixtum, nihil concretum, nihil copulatum, nihil coagmentatum, nihil duplex,

Cic. Tusc. 1, 29, 71; 1, 27, 66:

aër crassus et concretus,

id. ib. 1, 18, 42; Lucr. 1, 1018; 5, 467 sq.:

aër (opp. fusus, extenuatus),

Cic. N. D. 2, 39, 101; cf.:

pingue et concretum esse caelum,

id. Div. 1, 57, 130:

umores (opp. acres),

id. N. D. 2, 23, 59:

spuma,

Ov. M. 4, 537:

lac,

Verg. G. 3, 463:

in sanguine,

Ov. M. 13, 492:

mare,

Plin. 4, 16, 30, § 104:

nix concreta pruinā,

Lucr. 3, 20:

concreta et durata glacies,

Liv. 21, 36, 8; cf.:

concreta frigora canā pruinā,

stiffened by the hoary frost, Verg. G. 2, 376:

gelu,

Curt. 8, 4.— Poet., of light: cum claram speciem concreto lumine luna abdidit, thick, i. e. dimmed, Cic. poët. Div. 1, 11, 18:

nanus et ipse suos breviter concretus in artus,

shortened, Prop. 4 (5), 8, 41:

dolor,

benumbing, tearless, Ov. P. 2, 11, 10.— Subst.: concrētum, i, n., firm or solid matter:

species quaedam deorum, quae nihil concreti habeat, nihil solidi,

Cic. N. D. 1, 27, 75.—Esp. (sc. gelu), hard or stiff frost:

nec semine jacto Concretum patitur radicem adfigere terrae,

Verg. G. 2, 318 Rib. Forbig.; cf. Hildebr. ad App. M. 1, p. 455. (By others concretum is made acc. of 2. concretus. The common reading is concretam, sc. gelu, the root stiffened by frost; cf. Forbig. ad loc.)— Comp.:

semen concretius,

Lucr. 4, 1240:

spuma lactis concretior,

Plin. 11, 41, 96, § 239: ossa concreta, t. t., solid bones, i. e. without marrow, id. 7, 18, 18, § 78.— Sup. and adv. not in use.

con-cresco, crēvi, crētum, 3 ( inf. perf. sync. concresse, Ov. M. 7, 416), v. n., to grow together; hence with the prevailing idea of uniting, and generally of soft or liquid substances which thicken; to harden, condense, curdle, stiffen, congeal, etc. (very freq., and class. in prose and poetry).

Prop.:

concrescunt semina (opp. extenuantur),

Lucr. 4, 1261; 6, 626; cf.:

concrescunt subitae currenti in flumine crustae,

Verg. G. 3, 360;

opp. liquere,

Cic. Univ. 14: rigido concrescere rostro Ora videt, to stiffen into a hard beak. Ov. M. 5, 673; cf.:

Aconteus Gorgone conspectā saxo concrevit oborto,

id. ib. 5, 202 (cf. also saxoque oculorum induruit umor, id. ib. 5, 233):

quo pacto pluvius concrescat in altis Nubibus umor,

Lucr. 6, 495; cf. id. 6, 250:

imbres gelidis concrescunt ventis,

Ov. M. 9, 220:

(aqua) neque conglaciaret frigoribus neque nive pruināque concresceret, etc.,

Cic. N. D. 2, 10, 26:

gelidus concrevit frigore sanguis,

Verg. A. 12, 905:

cum lac concrevit,

Col. 7, 8, 3; cf. Ov. M. 12, 436: concretos sanguine crines, stuck together or clotted, Verg. A. 2, 277; cf.:

concreta sanguine barba,

Ov. M. 14, 201.—With in and acc.:

crystalli modo glaciari et in lapidem concrescere,

harden into, Plin. 36, 22, 45, § 161; cf.:

aër... tum autem concretus in nubis cogitur,

Cic. N. D. 2, 39, 101.—

Meton.

To take form, to grow, increase:

de terris terram concrescere parvis,

Lucr. 1, 840:

terrā in ipsā taetro concrescere odore bitumen,

id. 6, 807; Verg. E. 6, 34; cf.:

indagatio initiorum unde omnia orta, generata, concreta sint,

Cic. Tusc. 5, 24, 69; 1, 24, 56:

valles, quae fluminum alluvie et inundationibus concreverint,

Col. 3, 11, 8.—With ex:

omne corpus aut aqua aut aër aut ignis aut terra est, aut id quod est concretum ex aliquā parte eorum,

composed, formed of, Cic. N. D. 3, 12, 30; so id. ib. 3, 14, 34; Tac. A. 13, 57.—

Trop.:

illud funestum animal, ex nefariis stupris, ex civili cruore concretum (al. conceptum),

Cic. Pis. 9, 21. —

(Con intens.) To grow strong, to rise by growing, etc. (so very rare):

(lana) quanto prolixior in pecore concrescit, tanto, etc.,

Col. 7, 3, 10 (but in Lucr. 5, 833, the best reading is clarescit; v. Lachm.).—Hence, concrētus, a, um, P. a. (acc. to I.), grown together, concrete, compound, condensed, hardened, thick, hard, stiff, curdled, congealed, clotted, etc. (class.):

dubitare non possumus quin nihil sit animis admixtum, nihil concretum, nihil copulatum, nihil coagmentatum, nihil duplex,

Cic. Tusc. 1, 29, 71; 1, 27, 66:

aër crassus et concretus,

id. ib. 1, 18, 42; Lucr. 1, 1018; 5, 467 sq.:

aër (opp. fusus, extenuatus),

Cic. N. D. 2, 39, 101; cf.:

pingue et concretum esse caelum,

id. Div. 1, 57, 130:

umores (opp. acres),

id. N. D. 2, 23, 59:

spuma,

Ov. M. 4, 537:

lac,

Verg. G. 3, 463:

in sanguine,

Ov. M. 13, 492:

mare,

Plin. 4, 16, 30, § 104:

nix concreta pruinā,

Lucr. 3, 20:

concreta et durata glacies,

Liv. 21, 36, 8; cf.:

concreta frigora canā pruinā,

stiffened by the hoary frost, Verg. G. 2, 376:

gelu,

Curt. 8, 4.— Poet., of light: cum claram speciem concreto lumine luna abdidit, thick, i. e. dimmed, Cic. poët. Div. 1, 11, 18:

nanus et ipse suos breviter concretus in artus,

shortened, Prop. 4 (5), 8, 41:

dolor,

benumbing, tearless, Ov. P. 2, 11, 10.— Subst.: concrētum, i, n., firm or solid matter:

species quaedam deorum, quae nihil concreti habeat, nihil solidi,

Cic. N. D. 1, 27, 75.—Esp. (sc. gelu), hard or stiff frost:

nec semine jacto Concretum patitur radicem adfigere terrae,

Verg. G. 2, 318 Rib. Forbig.; cf. Hildebr. ad App. M. 1, p. 455. (By others concretum is made acc. of 2. concretus. The common reading is concretam, sc. gelu, the root stiffened by frost; cf. Forbig. ad loc.)— Comp.:

semen concretius,

Lucr. 4, 1240:

spuma lactis concretior,

Plin. 11, 41, 96, § 239: ossa concreta, t. t., solid bones, i. e. without marrow, id. 7, 18, 18, § 78.— Sup. and adv. not in use.

ob-dūro, āvi, ātum, 1, v. a. and n.

Act., to harden, render hard (only postclass.);

in the trop. signif.: obdurare se contra manifestam veritatem,

Lact. 1, 1, 23:

obdurata patientia,

Nazar. Pan. ad Const. 13:

obdurata nequitia,

Cod. Just. 10, 19, 2:

obdurata verecundia,

Capitol. Pert. 9.—Esp., to harden the heart against God (eccl. Lat.):

obdurare corda,

Vulg. Heb. 3, 8; id. Psa. 94, 8; id. Deut. 15, 7.— Pass.:

ut non obduretur quis vestrum,

Vulg. Heb. 3, 13.—

Neutr., to be hard or hardened; only trop., to hold out, persist, endure:

pernegabo atque obdurabo,

Plaut. As. 2, 2, 56:

persta, atque obdura,

Hor. S. 2, 5, 39; Cat. 8, 11:

perfer et obdura,

Ov. Tr. 5, 11, 7.— Impers. pass.: quare obduretur hoc triduum, * Cic. Att. 12, 3.

prae-dūro, āvi, ātum, 1, v. a.

Lit., to make very hard, harden very much (postAug.): [p. 1418] sucus praeduratus, Plin. 23, 7, 71, § 139; Apic. 6, 9; 7, 4; 8.—

Trop., to harden, indurate, Prud. steph. 5, 177.

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