Proto-West Germanic *nahtigalā

→ English nightingale (inherited)

→ Old English nihtegale (inherited)

→ Danish nattergal (derived)

→ Middle English nyghtgale (inherited)

→ Luxembourgish Nuechtegailchen (inherited)

→ Dutch nachtegaal (inherited)

→ Old Saxon nahtagala (inherited)

→ Saterland Frisian Noachtegoal (inherited)