10 letters · 21 points in Scrabble
noun a prayer for the repose of the soul of a dead person
originFirst word of the Latin phrase requiēscat in pāce (“may he/she rest in peace”). The Latin word requiēscat means "may he/she rest" and is a form of the Latin verb requiēscō (“to rest, repose”).
Etymology from Wiktionary, CC BY-SA 3.0