Where does “frequent” come from?

frequent (Old French) comes from Latin frequens, from Proto-Italic frekʷents, from Proto-Indo-European bʰrekʷ- — to condense; to crowd together.

frequent (Old French): frequent; often

Definitions

Step	Language	Word	Meaning
1	Latin	frequens	crowded, crammed, packed; frequent, repeated
2	Proto-Italic	frekʷents	—
3	Proto-Indo-European	bʰrekʷ-	to condense; to crowd together

frequent — Etymology, Origin & Word History | Etymology Explorer