Genesis 30:18
And Leah said, God hath given me my hire, because I have given my maiden to my husband: and she called his name Issachar.
Cross-reference
Genesis 49:14
Allusion
Genesis 49:14 calls Issachar 'a strong ass couching down between two burdens' — his name meaning 'hire/wages' foreshadows this characterization as a burden-bearing laborer.
Genesis 49:15
Allusion
Genesis 49:15 describes Issachar bowing his shoulder to bear burdens and serving under tribute — the 'hire' Leah names him for echoes in this life of labor.