amperEtymologyFrom Middle English ampre, from Old English ampre (“a dilated vein, varix, tumour, swelling; dock, sorrel”), from Proto-West Germanic *amprō, *amprā (“dock, sorrel”), which is related to Proto-Germanic *ampraz (“sharp”). Related to aber.amper means A tumour, often accompanied by inflammation; pustule; varicose vein; pus; atter. Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounA tumour, often accompanied by inflammation; pustule; varicose vein; pus; atter.A defect or flaw, especially in cloth.