Serbo-Croatian osa

← Proto-Indo-European *wobʰseh₂ (derived)

← Proto-Indo-European *h₂eḱs- (derived)

← Serbo-Croatian òsinjī (link)

← Serbo-Croatian ȏs (alter)

← Serbo-Croatian (alter)

← Serbo-Croatian Croatian (alter)

← Proto-Slavic *osa (inherited)

← Proto-Slavic *osь (inherited)