一事で始まる言葉

いちじ【一事】

この一事でも彼の善良さが分かるThis one instance is enough to show his goodness.一事が万事で彼女はなんでもいい加減にやるShe does ever...

いちじふさいぎ【一事不再議】

the principle of not taking up an item once voted on during the same session

いちじふさいり【一事不再理】

prohibition against double jeopardy