ἀφυγραίνομαι

From LSJ

Κύριε, βοήθησον τὸν δοῦλον σου Νῖλον κτλ. → Lord, help your slave Nilos ... (mosaic inscription from 4th-cent. church in the Negev)

Source

Spanish (DGE)

humedecerse, mojarse por el flujo de la mujer ὁ αὐτὸς τόπος ἀφυγραίνεται Arist.HA 637b29.