Old Norse týsdagr

← Proto-West Germanic *Tīwas dag (calque)

← Latin diēs Martis (derived)

→ Danish tirsdag (derived)

→ Faroese týsdagur (derived)

→ Icelandic týsdagur (derived)

→ Norwegian Bokmål tirsdag (derived)

→ Norwegian Nynorsk tysdag (derived)

→ Northern Sami disdat (borrowed)

→ Swedish tisdag (inherited)