Old High German eid

← Old English aþ (cognate)

← Proto-Germanic *aiþaz (inherited)

← Proto-West Germanic *aiþ (inherited)

← Gothic 𐌰𐌹𐌸𐍃 (cognate)

← Proto-Indo-European *oyt- (derived)

← Old Norse eiðr (cognate)

← Old Saxon ēth (cognate)

→ German Eid (inherited)

→ Old High German ahteid (mention)

→ Luxembourgish Eed (inherited)

→ Old Norse eiðr (cognate)