Roots/*bʰers-bʰers-“to bristle, to stand on end”Debatedbodybristle, burr, burRoot of Old English byrst "bristle", yielding English bristle, burr.Related Roots(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”bʰewg-“to bend, to flex”