ἐπίχυμα
From LSJ
Ἅγιος ὁ Θεός, Ἅγιος ἰσχυρός, Ἅγιος ἀθάνατος, ἐλέησον ἡμᾶς → holy God, holy Mighty, holy Immortal, have mercy on us
English (LSJ)
ατος, τό, (ἐπιχέω) an eye-disease,
A = ὑπόχυμα, Sch.rec.A. Pr.499, Phlp. in de An.350.33. II extra amount of oil, PRyl.97.5 (ii A.D.).
German (Pape)
[Seite 1005] τό, Zuguß, Zufluß, Schol. Aesch. Prom. 499.