subtrahend/ˈsʌbtɹəhɛnd/Etymology1670s, from Latin subtrahendus numerus (“number to be subtracted”), form of subtrahō (“to pull out from under, to subtract”) (English subtract). By surface analysis, subtract + -end (“patient (recipient) of action”).subtrahend means A number or quantity to be subtracted from another. Lexicurio rates it Sui generis — a strength score of 86 out of 100.subtrahend is pronounced /ˈsʌbtɹəhɛnd/.nounA number or quantity to be subtracted from another.“In the subtraction 10 − 4, 4 is the subtrahend.”