Old Norse sunnudagr

← Old English sunnandæg (cognate)

← Proto-West Germanic *sunnōn dag (borrowed)

← Old High German sunnuntag (cognate)

← Latin dies Solis (derived)

← Old Frisian sunnandei (cognate)

← Old Saxon sunnundag (cognate)

→ Old English sunnandæg (cognate)

→ Danish søndag (derived)

→ Finnish sunnuntai (borrowed)

→ Faroese sunnudagur (derived)

→ Icelandic sunnudagur (derived)

→ Norwegian Bokmål søndag (derived)

→ Norwegian Nynorsk søndag (derived)

→ Norwegian Nynorsk sundag (derived)

→ Swedish söndag (inherited)