A lot vs. Alot: 9 Grammatical Pitfalls
late 14c., "recover from illness or suffering;" mid-15c., "to return" (to a place), from Latin recurrere "to return, run back, hasten back," figuratively "revert, recur," from re- "back, again" (see re-) + currere "to run" (see current (adj.)). Originally of persons; application to thoughts, ideas, etc. is recorded from 1620s. Meaning "happen again" is from 1670s. Related: Recurred; recurring.
recur re·cur (rĭ-kûr')
v. re·curred, re·cur·ring, re·curs
To happen, come up, or show up again or repeatedly.
To return to one's attention or memory.