Proto-Slavic *porxъ

→ Belarusian порах (inherited)

→ Bulgarian прах (derived)

→ Czech prach (inherited)

→ Old Church Slavonic прахъ (inherited)

→ Lower Sorbian proch (inherited)

→ Upper Sorbian proch (inherited)

→ Macedonian прав (inherited)

→ Old East Slavic порохъ (inherited)

→ Polish proch (inherited)

→ Romanian praf (derived)

→ Russian порох (inherited)

→ Russian прах (derived)

→ Serbo-Croatian prah (inherited)

→ Serbo-Croatian прах (inherited)

→ Slovene prah (inherited)

→ Ukrainian порох (inherited)

→ Old Armenian փոշի (cognate)