8 letters · 10 points in Scrabble
originFrom Late Middle English redarguen, redargue (“to defeat (someone) in an argument; to rebuke, reprove”), from Middle French redarguer and Old French redargüer (“to disprove, refute; to accuse, blame; to rebuke, reprove”) (modern French rédarguer), and from their etymon Latin redarguere (“to disprove, refute”) (compare Late Latin redarguere (“to rebuke, reprove”)), the present active infinitive of…
Etymology from Wiktionary, CC BY-SA 3.0