polymath

Learned borrowing from Ancient Greek πολυμαθής (polumathḗs, “having learnt much”), first attested in 1624. From πολύς (polús, “much”) (for more, see poly-) + μανθάνω (manthánō, “to learn”). Compare opsimath, philomath, polyhistor, polymathic, polymathist, and polymathy.