6 letters · 9 points in Scrabble
noun a brief swim in water
noun a steep and rapid fall
verb thrust or throw into
originFrom Middle English plungen, ploungen, Anglo-Norman plungier, from Old French plongier, (Modern French plonger), from unattested Late Latin frequentative *plumbicō (“to throw a leaded line”), from plumbum (“lead”). Compare plumb, plounce.
Etymology from Wiktionary, CC BY-SA 3.0