Proto-Germanic *waikwaz

→ English weak (derived)

→ Old English wac (inherited)

→ Danish veg (derived)

→ Middle Dutch weec (inherited)

→ Middle English woke (inherited)

→ Middle English weyk (inherited)

→ Faroese veikur (derived)

→ Westrobothnian vaik (inherited)

→ Old High German weih (inherited)

→ Icelandic veikur (derived)

→ Luxembourgish weech (inherited)

→ Dutch week (inherited)

→ Norwegian Nynorsk veik (inherited)

→ Old Norse veikr (inherited)

→ Old Saxon wek (inherited)

→ Saterland Frisian wook (inherited)

→ Swedish vek (derived)

→ Yiddish ווייך (inherited)