h₃er-s-

“buttocks, tail, rear”

Widely acceptedbody

Source of Greek orrhos, English arse, ass

Root for the rear/buttocks, yielding English arse and Greek orrhos.‍‍‌‌‌‌‌‌‌‍‌‍‌‌‌‌‌‌‌‍‌‍‌‌‍‌‌‍‌‍‌‍

(H)meyǵʰ-“to urinate, to mist”bʰardʰeh₂“beard, facial hair”bʰeh₁-tl-“instrument of speaking, lips”bʰelǵʰ-“to swell, to gird with a belt”bʰer-d-“to cut with a sharp edge, to shave”bʰer-mn̥-₂“something carried, a burden”bʰer-s-“top, point, bristling tip”bʰers-“to bristle, to stand on end”