ἐπίσσυτος
From LSJ
ἰὼ, σκότος, ἐμὸν φάος, ἔρεβος ὦ φαεννότατον, ὡς ἐμοί, ἕλεσθ' ἕλεσθέ μ' οἰκήτορα → ah, darkness that is my light, gloom that is most bright for me, take me, take me to dwell in you
English (LSJ)
ον, ἐπισεύω, ἐπέσσυμαι)
A rushing, gushing, κλαυμάτων πηγαί A.Ag.887; violent, sudden, δύαι ib.1150 (lyr.); βίου τύχαι Id.Eu.924 (lyr.); φήμα E.Hipp.574 (lyr.).