Topic
late 15th century (originally denoting a set or book of general rules or ideas): from Latin topica, from Greek ta topika, literally ‘matters concerning commonplaces’ (the title of a treatise by Aristotle), from topos ‘a place’.
wiktionary
From Latin topica, from Ancient Greek τοπικός(topikós, “pertaining to a place, local, pertaining to a common place, or topic, topical”), from τόπος(tópos, “a place”), of Pre-Greek origin.
etymonline
topic (n.)
1630s, "a class of considerations from which probable arguments can be drawn," singular form of "Topics" (1560s), the name of a work by Aristotle on logical and rhetorical generalities, from Latin Topica, from Greek Ta Topika, literally "matters concerning topoi," "commonplaces," neuter plural of noun use of topikos "pertaining to a common place, of a place, local," from topos "place" (see topos). The meaning "matter treated in speech or writing, subject, theme" is first recorded 1720.