Lithuanian širmas

← Proto-Germanic *hairaz (cognate)

← Proto-Indo-European *ḱēy(w)- (mention)

← Proto-Indo-European *ḱyē(w)- (mention)

← Latvian sirms (cognate)

← Old Irish ciar (cognate)

← Proto-Slavic *śěrъ (cognate)

← Albanian surmë (cognate)

→ Finnish harmaa (cognate)

→ Ancient Greek κιρρός (cognate)

→ Latvian sirms (mention)

→ Albanian thjermë (cognate)

→ Albanian surmë (cognate)