7 letters · 11 points in Scrabble
verb dwell
verb put up with something or somebody unpleasant
adjective unceasing
originFrom Middle English abydynge, abidynge, -inge [verbal noun of abiden, abyden (“to abide”)], from Old English abīdung; or, verbal noun from abide (verb) + -ing.
Etymology from Wiktionary, CC BY-SA 3.0