10 letters · 17 points in Scrabble
adjective temporarily incapable of speaking
originFrom Middle English specheles, from Old English sprǣċlēas (“speechless; without the power of speak”), from Proto-Germanic *sprēkalausaz, equivalent to speech + -less. Cognate with West Frisian sprakeleas (“speechless”), Dutch sprakeloos (“speechless”), German Low German spraaklos (“speechless”), German sprachlos (“speechless”).
Etymology from Wiktionary, CC BY-SA 3.0