b 3 r 1 u 1 x 8 i 1 s 1 m 3
7 letters · 18 points in Scrabble
Meaning
noun involuntarily or unconsciously clenching or grinding the teeth, typically during sleep
originFrom Ancient Greek βρυχή (brukhḗ, “grinding of teeth”) + English -ism (suffix forming nouns indicating a tendency of action, behaviour, condition, or state). The word βρυχή is derived from Ancient Greek βρύκω (brúkō, “bite, chew; devour, gobble; grind one's teeth, gnash”).
Etymology from Wiktionary, CC BY-SA 3.0