"girth for a horse" or other animal, late 14c., from Old French surcengle, from sur- "over" (see sur- (1)) + cengle "a girdle," from Latin cingulum "girth" (see cinch (n.)).
supremist
sur-
sura
surcease
surcharge
surcingle
surcoat
surculation
surd
sure
surefire