по сутi

суть проблеми — the crux/kernel/heart of the problem

суть справи — the point of the matter, merits of case

по сутi — essentially, substantially, virtually; at the bottom, in the main

по сутi справи — as a matter of fact, at bottom of fact, in point of fact

не по суті — beside/off the point

кажучи по сутi — practically speaking; as a matter of fact

відповідати по сутi — to answer to the point

говорити по сутi — to speak to the point

дійти до суті — to come to the point, to touch the ground

по суті і по формі — in letter and in spirit