Old Saxon dag

← Proto-Germanic *dagaz (inherited)

← Proto-West Germanic *dag (inherited)

← Proto-Indo-European *dʰegʷʰ- (derived)

→ Old English dæg (cognate)

→ German Tag (cognate)

→ Middle Low German dach (inherited)

→ Old High German tag (cognate)

→ German Low German Dag (inherited)

→ Old Norse dagr (cognate)

→ Old Saxon sunnundag (affix)

→ Plautdietsch Dach (inherited)