창세기 38:9

오난이 그 씨가 자기 것이 되지 않을 줄 알므로 형수에게 들어갔을 때에 형에게 아들을 얻게 아니하려고 땅에 설정하매

And Onan knew that the seed should not be his; and it came to pass, when he went in unto his brother’s wife, that he spilled it on the ground, lest that he should give seed to his brother.