тяжкий

From LSJ

Τὸ γὰρ περισσὰ πράσσειν οὐκ ἔχει νοῦν οὐδένα → There is no sense in doing things beyond the usual measure

Sophocles, Antigone, 67-68

Russian > Greek

χαλεπός, λυγρός, βαρύς, βριθύς