Words that come from Proto-Balto-Slavic -ēˀjas

8 words across 5 languages descend from Proto-Balto-Slavic -ēˀjas — including obyčej, ruczaj, обичај, običaj, ručajь, обичај, -ějь, obyčajь.

See the etymology of -ēˀjas itself →

Proto-Slavic (3)

Serbo-Croatian (2)

Czech (1)

Polish (1)

Macedonian (1)