Where does “тшува” come from?

тшува (Russian) comes from Hebrew תְּשׁוּבָה, from Hebrew ש־ו־ב — return.

тшува (Russian): teshuva

Definitions

Step	Language	Word	Meaning
1	Hebrew	תְּשׁוּבָה	teshuva
2	Hebrew	ש־ו־ב	return

тшува — Etymology, Origin & Word History | Etymology Explorer