Κύριε, βοήθησον τὸν δοῦλον σου Νῖλον κτλ. → Lord, help your slave Nilos ... (mosaic inscription from 4th-cent. church in the Negev)
from הָיָה; (the) self-Existent or Eternal; Jehovah, Jewish national name of God: Jehovah, the Lord. Compare יָהּ, יְהֹוִה.