γράα
From LSJ
Κύριε, βοήθησον τὸν δοῦλον σου Νῖλον κτλ. → Lord, help your slave Nilos ... (mosaic inscription from 4th-cent. church in the Negev)
English (LSJ)
ἡ, a kind of serpent, Peripl.M.Rubr.38.
Spanish (DGE)
-ας, ἡ
zool., un tipo de serpiente de agua, Peripl.M.Rubri 38.
• Etimología: Prést. del ai. grāha- ‘serpiente acuática’.