Old Norse tarfr

← Proto-Celtic *tarwos (derived)

← Irish tarbh (cognate)

← Manx tarroo (cognate)

← Proto-Indo-European *táwros (derived)

← Latin taurus (cognate)

← Old Norse þjórr (cognate)

← Proto-Semitic *ṯawr- (derived)

← Old Irish tarb (borrowed)

→ Faroese tarvur (derived)

→ Icelandic tarfur (inherited)

→ Old Norse þjórr (mention)