Latvian spārns

← Bulgarian перо́ (cognate)

← Old Church Slavonic перо (cognate)

← German Farn (cognate)

← English fern (cognate)

← Hittite (cognate)

← Upper Sorbian pjero (cognate)

← Proto-Balto-Slavic *sparnas (mention)

← Proto-Indo-European *pornóm (inherited)

← Proto-Indo-European *per- (mention)

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

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

← Lithuanian spar̃nas (cognate)

← Russian перо́ (cognate)

← Sanskrit पर्ण (cognate)

← Ukrainian перо́ (cognate)

→ Latvian spārnains (affix)