Old English fyst

← German Faust (cognate)

← West Frisian fest (cognate)

← Proto-Germanic *funstiz (inherited)

← Proto-West Germanic *fūsti (inherited)

← Old High German fūst (cognate)

← Proto-Indo-European *pnsti- (derived)

← Proto-Indo-European *pnksti- (mention)

← Proto-Indo-European *pn̥kʷsti (mention)

← Proto-Indo-European *pénkʷe (mention)

← Lithuanian kumštis (cognate)

← Dutch vuist (cognate)

← Old Frisian fest (cognate)

← Old Saxon fūst (cognate)

← Polish pięść (cognate)

← Russian пясть (cognate)

← Serbo-Croatian pȇst (cognate)

← Serbo-Croatian pȑst (mention)

→ English foist (mention)

→ Ancient Greek πυγμή (cognate)