9 letters · 19 points in Scrabble
noun one million periods per second
originEtymology tree Proto-Indo-European *méǵh₂s Proto-Hellenic *mégas Ancient Greek μέγᾰς (mégăs)der. English mega- Proto-Indo-European *kʷel- Proto-Indo-European *kʷékʷlos Ancient Greek κῠ́κλος (kŭ́klos)der. Late Latin cyclusbor. Middle English cicle English cycle English megacycle From mega- + cycle.
Etymology from Wiktionary, CC BY-SA 3.0