5 letters · 12 points in Scrabble
verb become less tense, rest, or take one's ease
verb make less taut
verb become loose or looser or less tight
originFrom Middle English relaxen, from Old French relaxer, from Latin relaxāre (“relax, loosen, open”), from re- (“back”) + laxāre (“loosen”), from laxus (“loose, free”). By surface analysis, re- + lax (“open, free, loose”).
Etymology from Wiktionary, CC BY-SA 3.0