köken: Etymology tree Proto-Indo-European *dwóh₁ Proto-Indo-European *dwís Proto-Italic *dwis Old Latin duis Latin bis Proto-Indo-European *kap- Proto-Indo-European *káput Proto-Italic *kaput Proto-Indo-European *ís Proto-Italic *is Proto-Italic *-kaput-isder. Old Latin -cipesder. Latin -ceps Latin bicepsbor. German Bizepsbor. Polish biceps Borrowed from German Bizeps. First attested in 1810.
prężyć bicepsy
Podwija rękaw i napina starczy biceps. LEO: Dziękuję, stąd widzę. STARZEC (klepie się po bicepsie): Niebywałe!
köken: Uncertain. Possibly from lacerta (“lizard”), as musculus derived from a supposed resemblance to little mice; possibly from Proto-Indo-European *Hlak-, *lēk- (“leg, q.v.”)