10 letters · 14 points in Scrabble
noun a dense fibrous membrane covering the surface of bones (except at their extremities) and serving as an attachment for tendons and muscles; contains nerves and blood vessels that nourish the enclosed b
originFrom Ancient Greek περί (perí, “about, around”) + ὀστέον (ostéon, “bone”).
Etymology from Wiktionary, CC BY-SA 3.0