ec·ru \ˈe(ˌ)krü, ˈā(-, ̷ ̷ˈ ̷ ̷\noun (-s) Etymology: French écru unbleached, from Old French escru, from es- completely — from Latin ex- — + cru raw, from Latin crudus — more at raw 1.: a grayish yellow that is greener and paler than chamois or old ivory 2.of a textile: a light grayish yellowish brown that is yellower and lighter than gravel