Russian ус

← Proto-Balto-Slavic *wónsa (inherited)

← Proto-Indo-European *wendʰ- (root)

← Proto-Indo-European *wondʰsom (inherited)

← Proto-Indo-European *wendʰ- (mention)

← Old East Slavic усъ (inherited)

← Proto-Slavic *ǫsъ (inherited)

← Proto-Slavic (mention)

← Proto-Slavic (mention)

→ Komi-Zyrian ус (borrowed)

→ Russian усик (affix)

→ Russian усатый (affix)

→ Russian безусый (affix)