Word Origin & History
topic1634, "argument suitable for debate," singular form of "Topics" (1568), the name of a work by Aristotle on logical and rhetorical generalities, from L. Topica, from Gk. Ta Topika, lit. "matters concerning topoi," from topoi "commonplaces," neut. pl. of topikos "commonplace, of a place," from topos "place."
EXPANDThe meaning "matter treated in speech or writing, subject, theme" is first recorded 1720. Topical "of or pertaining to topics of the day" is recorded from 1873.
COLLAPSE