7 letters · 7 points in Scrabble
noun a slight convexity in the shaft of a column; compensates for the illusion of concavity that viewers experience when the sides are perfectly straight
originFrom Latin entasis, from Ancient Greek ἔντασις (éntasis, “tension, straining”), from ἐντείνω (enteínō, “to stretch or strain tight”).
Etymology from Wiktionary, CC BY-SA 3.0