ἀειφύλακτος
From LSJ
τίς δ' οἶδεν εἰ τὸ ζῆν μέν ἐστι κατθανεῖν, τὸ κατθανεῖν δὲ ζῆν κάτω νομίζεται → who knows if life is death, and if in the underworld death is considered life
English (LSJ)
ον, A gloss on ἀείφρουρος, Sch.Opp.H.4.189.
Spanish (DGE)
-ον
siempre vigilanteglos. a ἀείφρουρος Sch.Opp.H.4.189.