Irish fiar

← Proto-Celtic *wēros (inherited)

← Old Church Slavonic вити (cognate)

← Welsh gŵyr (cognate)

← English wire (cognate)

← Proto-Indo-European *weh₁y- (root)

← Proto-Indo-European (inherited)

← Proto-Indo-European *weh₁y- (mention)

← Latin vieō (cognate)

← Middle Irish fiar (inherited)

→ Irish fiaradh (affix)