One who engages in commerce; a merchant or trader; a person involved in commercial activities.
From 'commerce' (Latin 'commercium', trade) plus the agent suffix '-er' (one who does). This archaic term was used in earlier English for those engaged in trade before 'merchant' became standard.
Medieval 'commercers' didn't just buy and sell—they invented banking, insurance, and credit systems because long-distance trade required these innovations, making merchants among the most important innovators in history, not just retailers!
Complete word intelligence in one call. Free tier — 50 lookups/day.