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出典:Wiktionary
grass + eater; applied to bribe-accepting polics by the Knapp Commission in the 1970s.
grass-eater (複数形 grass-eaters)
Calque of Japanese 草食系男子 (sōshokukei danshi, “herbivorous/grass-eating male”).
grass + eater. Originally in reference to the Irish potato famine, implying that grass was all the Irish had left in their diet.
grasseater (複数形 grasseaters)
grass eater