It is the hypothetical source of/evidence for its existence is provided by: Greek aerein "to lift, raise up;" Lithuanian svarus "heavy," sverti "to lift, weigh;" Old English swar, Old Norse svarr, Old High German swar, German schwer "heavy."
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Definitions of arteriosclerosis from WordNet
sclerosis of the arterial walls;
Synonyms: arterial sclerosis / hardening of the arteries / induration of the arteries / coronary-artery disease