Then Leah said, "God has rewarded me for giving my servant to my husband." So she named him Issachar. (NIV)
Leah said, God has given me my hire, because I have given my maid to my husband; and she called his name Issachar [hired]. (AMP)
And Leah said, God hath given me my hire, because I have given my maiden to my husband: and she called his name Issachar. (KJV)