French word parfois comes from French fois, French par

Detailed word origin of parfois

Dictionary entry	Language	Definition
fois	French (fra)	(arithmetic) times, multiplied by. Time, an instance of something happening; a repetition.
par	French (fra)	(golf) par Around, round (inside of). By (used to introduce a means). By (used to introduce the agent in a passive construction). For. From (used to describe the origin of something, especially a view or movement). In. On (situated on, used in certain phrase). On, at, in (used to denote a time something occurs). Out of (used to describe the reason for something). Over (used to express [...]
parfois	French (fra)	Sometimes.