11 letters · 17 points in Scrabble
noun ancient king of Pontus who expanded his kingdom by defeating the Romans but was later driven out by Pompey (132-63 BC)
originFrom Latin Mithridātēs, from Ancient Greek Μιθριδάτης (Mithridátēs), from Old Persian *Miθradātah.
Etymology from Wiktionary, CC BY-SA 3.0