Latin word pars comes from Proto-Italic *-kaps (-catcher (as a noun), -catching (as an adjective).)

Detailed word origin of pars

Dictionary entry	Language	Definition
*-kaps	Proto-Italic (itc-pro)	-catcher (as a noun), -catching (as an adjective).
*partis	Proto-Italic (itc-pro)	Part.
pars	Latin (lat)	(usually, in plural) party (politics). Direction. Faction. Fate, lot. Function, duty. Part (theatre). Part, piece, share. Some.

Words with the same origin as pars