Bede

And Shallun built the gate of the fountain, etc. "Pagos" in Greek signifies a village in Latin. But writers tell that from that front of Mount Zion, which faces the eastern region with a steep rock, within the walls, and at the roots of the hill, the fountain of Siloam bursts forth; which indeed flows southward with alternating access of waters, that is, not with continuous waters, but it bubbles at uncertain [fixed] hours and days, and through the hollows of the earth and caves of very hard rock, it is accustomed to come with great …

Commentary on Ezra and Nehemiah ↗