5 letters · 7 points in Scrabble
originFrom French estoc, ultimately from Proto-West Germanic *stokōn (“to push, thrust”); see there for more. Compare Middle English touk (“a sword”) (whence obsolete English tuck (“rapier, sword”)), Middle English stok(e) (“blow with a sword”) (both probably from Old French estoc).
Etymology from Wiktionary, CC BY-SA 3.0