Old High German fior

← Old English fēower (cognate)

← Proto-Germanic *fedwōr (inherited)

← Proto-West Germanic *feuwar (inherited)

← Proto-Indo-European *kʷetwṓr (inherited)

← Proto-Indo-European *kʷetwóres (mention)

← Old Norse fjórir (cognate)

← Old Saxon fiuwar (cognate)

→ Cimbrian viare (inherited)

→ German vier (inherited)

→ German Vier (inherited)

→ Central Franconian vier (inherited)

→ Alemannic German vier (inherited)

→ Hunsrik fier (inherited)

→ Mòcheno viar (inherited)

→ Pennsylvania German vier (inherited)

→ Vilamovian fiyr (derived)

→ Yiddish פֿיר (inherited)