←
Old English ġefāh (inherited)
←
Old English fāh (mention)
←
Middle English fo (inherited)
←
Middle English ifo (mention)
←
Proto-Germanic *faihaz (inherited)
←
Middle High German gevēch (cognate)
←
Proto-West Germanic *faih (inherited)
←
Middle Irish óech (cognate)
←
Old Frisian fāch (cognate)
→
English fiend (mention)