9 But Onan knew that the heir would not be his; and it came to pass, when he went in to his brother's wife, that he emitted on the ground, lest he should give an heir to his brother.
10 And the thing which he did displeased the Lord; therefore He killed him also.
11 Then Judah said to Tamar his daughter-in-law, "Remain a widow in your father's house till my son Shelah is grown." For he said, "Lest he also die like his brothers." And Tamar went and dwelt in her father's house.
12 Now in the process of time the daughter of Shua, Judah's wife, died; and Judah was comforted, and went up to his sheepshearers at Timnah, he and his friend Hirah the Adullamite.
13 And it was told Tamar, saying, "Look, your father-in-law is going up to Timnah to shear his sheep."
14 So she took off her widow's garments, covered herself with a veil and wrapped herself, and sat in an open place which was on the way to Timnah; for she saw that Shelah was grown, and she was not given to him as a wife.
15 When Judah saw her, he thought she was a harlot, because she had covered her face.
16 Then he turned to her by the way, and said, "Please let me come in to you"; for he did not know that she was his daughter-in-law. So she said, "What will you give me, that you may come in to me?"
17 And he said, "I will send a young goat from the flock." So she said, "Will you give me a pledge till you send it?"
18 Then he said, "What pledge shall I give you?" So she said, "Your signet and cord, and your staff that is in your hand." Then he gave them to her, and went in to her, and she conceived by him.
19 So she arose and went away, and laid aside her veil and put on the garments of her widowhood.

Almeida Atualizada (Portuguese) AA

Gênesis 38:9 Onã, porém, sabia que tal descendência não havia de ser para ele; de modo que, toda vez que se unia � mulher de seu irmão, derramava o sêmen no chão para não dar descendência a seu irmão.

English Standard Version ESV

Genesis 38:9 But Onan knew that the offspring would not be his. So whenever he went in to his brother's wife he would waste the semen on the ground, so as not to give offspring to his brother.

King James Version KJV

Genesis 38:9 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.

Nova Versão Internacional NVIP

Gênesis 38:9 Mas Onã sabia que a descendência não seria sua; assim, toda vez que possuía a mulher do seu irmão, derramava o sêmen no chão para evitar que seu irmão tivesse descendência.