8 letters · 10 points in Scrabble
verb chew the cuds
verb reflect deeply on a subject
originFirst attested in 1533; borrowed from Latin rūminātus, perfect active participle of rūminor (“to chew the cud, turn over in the mind”) (see -ate (verb-forming suffix)), from rūmen (“the throat, gullet”) + -ō (verb-forming suffix), itself of uncertain origin.
Etymology from Wiktionary, CC BY-SA 3.0