Κύριε, βοήθησον τὸν δοῦλον σου Νῖλον κτλ. → Lord, help your slave Nilos ... (mosaic inscription from 4th-cent. church in the Negev)
P. and V. ξανθός, Ar. and V. ξουθός.
with tawny wings: V. ξουθόπτερος.