c. 1500, "a discoverer, one who finds out" (now obsolete), from Latin inventor (fem. inventrix, source of French inventeur (15c.), Spanish inventor, Italian inventore) "contriver, author, discoverer, proposer, founder," agent noun from past-participle stem of invenire "to come upon, find; find out; invent, discover, devise; ascertain; acquire, get earn," from in- "in, on" (from PIE root *en "in") + venire "to come," from a suffixed form of PIE root *gwa- "to go, come." Meaning "one who contrives or produces a new thing or process" is from 1550s.