7 letters · 17 points in Scrabble
originAttested since 1683. Possibly from French cadrat or Italian quadrato (“square”), from Latin quadrātum (“square”). Doublet of quadrate and of etymology 1 above. So called because the basic quadrat, the em quadrat, has a square face, having the same width as the height of a line of type.
Etymology from Wiktionary, CC BY-SA 3.0