'Labor' in the Bible

Be in pain, and labor to bring forth, daughter of Zion, like a woman in travail; for now you will go forth out of the city, and will dwell in the field, and will come even to Babylon. There you will be rescued. There Yahweh will redeem you from the hand of your enemies.

Therefore he will abandon them until the time that she who is in labor gives birth. Then the rest of his brothers will return to the children of Israel.