Proto-Germanic *þunnuz

→ English thin (inherited)

→ Cimbrian dünne (inherited)

→ Danish tynd (derived)

→ Middle English thenne (inherited)

→ Faroese tunnur (derived)

→ Old High German dunni (inherited)

→ Alemannic German tünn (inherited)

→ Ido dina (derived)

→ Icelandic þunnur (derived)

→ Luxembourgish dënn (derived)

→ Dutch dun (inherited)

→ Old Norse þunnr (inherited)

→ Old Saxon thunni (inherited)

→ Swedish tunn (derived)

→ Yiddish דין (inherited)