Proto-West Germanic *Tīwas dag

→ English Tuesday (inherited)

→ Old English tiwesdæg (inherited)

→ Danish tirsdag (derived)

→ German Ziestag (inherited)

→ Middle English Tewesday (inherited)

→ Finnish tiistai (derived)

→ Faroese týsdagur (derived)

→ West Frisian tiisdei (inherited)

→ Old High German ziestag (inherited)

→ Alemannic German tschischtag (inherited)

→ Alemannic German zéischtag (inherited)

→ Alemannic German zischtog (inherited)

→ Alemannic German zischtàg (inherited)

→ Alemannic German zischtag (inherited)

→ Icelandic týsdagur (derived)

→ Norwegian Bokmål tirsdag (derived)

→ Norwegian Nynorsk tysdag (derived)

→ Old Norse týsdagr (calque)

→ Scots Tysday (inherited)

→ Saterland Frisian Täisdai (inherited)

→ Swedish tisdag (derived)

→ Yola Tusedei (inherited)