Scruple is a feeling of doubt or hesitation based on moral grounds, or a very small amount of something.
(noun)See scruple in Webster's New World College Dictionary
noun
Origin: MFr scrupule < L scrupulus, small sharp stone (hence small weight, difficulty, doubt), dim. of scrupus, sharp stone < IE *skreup- < base *(s)ker-, to cut
See scruple in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English scrupul
Origin: , from Old French scrupule
Origin: , from Latin scrūpulus, small unit of measurement, scruple
Origin: , diminutive of scrūpus, rough stone, scruple
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