Root yielding Germanic *skamō, English shame, possibly also sham.
bʰerǵʰ-tó-“raised up, elevated, proud”dew-s-“to lack, miss, be distant”dwey-“to fear, to be in doubt”dʰer-s-“to dare, be bold”dʰer-s-mn̥“boldness, daring act”dʰerh₂-s-“to be bold, to dare”dʰers-“to be bold, dare”dʰers-eyo-“to keep daring, being bold”