The Hebrew noun ebus (אֵבוּס) means a manger, crib, or feeding trough — the stone or wooden container from which animals eat. It appears in Job 39:9 (the wild ox and its manger) and Proverbs 14:4 (an empty manger versus one filled with grain). Though the Nativity account in Luke 2 uses the Greek phatne (G5336), the Hebrew ebus is the direct Old Testament background. The manger was a symbol of provision, lowliness, and animal dependence.
The theological weight of ebus becomes luminous in the Incarnation. Luke 2:7 records that Mary "laid him in a manger (phatne), because there was no guest room available." The Creator of the universe, the Bread of Life, was placed in the vessel from which animals eat. This is profound kenotic theology: He who feeds all creation was laid in the place where creation feeds. Isaiah 1:3 provides the haunting OT parallel — "The ox knows its master, the donkey its owner's manger (ebus), but Israel does not know, my people do not understand." The animals come to the manger; Israel does not recognize the One in it. The ebus is both the sign of Christ's humility and an indictment of human blindness.