Old Norse þórsdagr

← Proto-West Germanic *Þunras dag (derived)

← Latin dies Iovis (derived)

← Old Norse Þórr (mention)

← Old Norse dagr (mention)

→ English Thursday (derived)

→ Old English þursdæg (derived)

→ Danish torsdag (inherited)

→ Middle English Thursday (mention)

→ Kven tuorestai (derived)

→ Faroese hósdagur (derived)

→ Faroese tórsdagur (derived)

→ Old Danish thorsdagh (inherited)

→ Icelandic þórsdagur (derived)

→ Norwegian Bokmål torsdag (inherited)

→ Norwegian Nynorsk torsdag (inherited)

→ Northern Sami duorastat (borrowed)

→ Swedish torsdag (inherited)