8 letters · 18 points in Scrabble
noun a person of great and varied learning
originLearned 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.
Etymology from Wiktionary, CC BY-SA 3.0