וַתַּ֥הַר ע֖וֹד וַתֵּ֣לֶד בֵּ֑ן וַתִּקְרָ֥א אֶת־שְׁמ֖וֹ אוֹנָֽן׃
Elle conçut encore et eut un fils et elle lui donna le nom d’Onàn.
Targum Jonathan on Genesis
And she conceived again, and bare a son, and called his name Onan, because his father would have to mourn for him.