autodidact

noun

Etymology: From Ancient Greek αὐτοδίδακτος (autodídaktos), from αὐτός (autós, “self”) + διδάσκω (didáskō, “I teach”). By surface analysis, auto- + didact.

1. A self-taught person.

   “Leonardo Da Vinci is one of the greatest autodidacts.”

   “For an autodidact, for somebody who plays by ear like me, the ukulele is ideal.”