Old Church Slavonic благъ

← Proto-Slavic *bolgъ (inherited)

→ Belarusian благі (borrowed)

→ Old Church Slavonic блаженъ (suffix)

→ Old Church Slavonic благость (suffix)

→ Old Church Slavonic блажити (suffix)

→ Lower Sorbian błogi (cognate)

→ Polish błahy (derived)

→ Russian благой (borrowed)

→ Ukrainian благий (borrowed)