Old Norse þjórr

← Proto-Germanic *þeuraz (inherited)

← Ancient Greek ταῦρος (cognate)

← Proto-Indo-European *táwros (derived)

← Latin taurus (cognate)

← Old Norse tarfr (mention)

← Old Irish tarb (cognate)

→ Danish tyr (inherited)

→ Faroese tarvur (cognate)

→ Faroese tjórur (inherited)

→ Old Swedish þiur (inherited)

→ Icelandic tarfur (cognate)

→ Icelandic þjór (inherited)

→ Norwegian Bokmål tyr (inherited)

→ Norwegian Nynorsk tyr (derived)

→ Norwegian Nynorsk tjor (inherited)

→ Old Norse tarfr (cognate)

→ Swedish tjur (inherited)