ستهمسُتْهُمٌ Large in the posteriors: (K:) accord. to the S, syn. with أَسْتَهُ; [see this latter, in art. سته, in three places;] and the م is augmentative: (TA:) some explain it as syn. with اِسْتٌ: the author of the K [a mistake for the S], in art. سته, as meaning large in the اِسْت. (MF, TA.)