←
Old English dēop (cognate)
←
Proto-West Germanic *deup (inherited)
←
Proto-Indo-European *dʰewb- (root)
←
Old Norse djúpr (cognate)
←
Old Saxon diop (cognate)
→
Old English deofol (mention)
→
Old English deop (cognate)
→
Central Franconian deef (mention)