German dürfen

← English tharf (cognate)

← Proto-Germanic *þurbaną (inherited)

← Middle High German dürfen (inherited)

← Middle High German durfen (mention)

← Old High German durfan (inherited)

← Ancient Greek τέρπω (cognate)

→ Danish turde (cognate)

→ German bedürfen (prefix)

→ Middle English tharf (mention)

→ Ancient Greek τέρπω (cognate)

→ Alemannic German törfe (cognate)

→ Ido darfar (mention)

→ Luxembourgish däerfen (cognate)

→ Pennsylvania German daerfe (cognate)

→ Yiddish דאַרפֿן (cognate)