English

equifrequent

From equi- + frequent.

Old Latin aiquos

Latin aequus ‘equal’

English equi-

Proto-Italic *frekʷents

Latin frequens ‘crowded, crammed, frequent, repeated, etc’

Old French frequent

Today it means

adj Of the same frequency.

Language periods are conventional ranges, not dates for this word.

Etymograph / equifrequent