Proto-Germanic *Þunraz

→ Old English Þunor (inherited)

→ German Thor (derived)

→ Faroese Tórur (derived)

→ Old High German Donar (inherited)

→ Old High German Wigidonar (derived)

→ Icelandic Þór (derived)

→ Dutch Doorn (derived)

→ Old Norse Þórr (inherited)

→ Old Norse ᚦᚢᚱ (derived)