←
Old English fīfta (inherited)
←
Middle English fifthe (inherited)
←
Middle English fifte (mention)
←
Middle English fift (mention)
←
North Frisian fyfde (cognate)
←
West Frisian fyfde (cognate)
←
Proto-Germanic *fimftô (inherited)
←
Low German fifte (cognate)
←
Low German föfte (mention)
←
Low German füfte (mention)
←
Swedish femte (cognate)
→
Pennsylvania German fimft (cognate)