ἀποθύσκειν
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)
ἀποτυγχάνειν, Hsch.
Greek (Liddell-Scott)
ἀποθύσκειν: «ἀποτυγχάνειν» Ἡσύχ.
Spanish (DGE)
ἀποτυγχάνειν Hsch.