stingy (adj.)youdaoicibaDictYouDict[stingy 词源字典]
"niggardly, penurious, extremely tight-fisted," 1650s, of uncertain origin, perhaps a dialectal alteration of earlier stingy "biting, sharp, stinging" (1610s), from sting (v.). Back-formation stinge "a stingy person" is recorded from 1905. Related: Stingily; stinginess.[stingy etymology, stingy origin, 英语词源]