стогнати

Etymology
, from, from. The "г" is probably of expressive origin, compare 🇨🇬.

Verb

 * 1)  to groan, to wail, to weep, to moan
 * 2)  to groan out, to moan out
 * 3)  to suffer, to languish
 * 1)  to suffer, to languish