detriment (n.) Look up detriment at Dictionary.com
early 15c., from Middle French détriment or directly from Latin detrimentum "a rubbing off; a loss, damage, defeat," from past participle stem of detere "to wear away," figuratively "to weaken, impair," from de- "away" (see de-) + terere "to rub, wear" (see throw (v.)).