The story
From αὐτός (autós, “self”) + μανθάνω (manthánō, “to learn”). Compare opsimath, philomath, polymath. By surface analysis, auto- + math. First appears c. 1759, in the publications of Edward Young.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: One who is self-taught. Full definition →