Meaning

noun the creation of something in the mind

noun a creation (a new device or process) resulting from study and experimentation

noun the act of inventing

originFrom Middle English invencion, invencioun, from Latin inventiō either directly or via Middle French invencion, from Latin invenīre (“to discover, find, invent”), from in- (“in-: in, into”) + venīre (“to come”). Doublet of inventio. By surface analysis, invent + -ion. Displaced native Old English orþanc.

Etymology from Wiktionary, CC BY-SA 3.0