ἀκατάλειπτος

From LSJ

οὐ δικαίως θάνατον ἔχθουσιν βροτοί, ὅσπερ μέγιστον ῥῦμα τῶν πολλῶν κακῶν → unjustly men hate death, which is the greatest defence against their many ills | men are not right in hating death, which is the greatest succour from our many ills

Source

Spanish (DGE)

-ον
1 inextinguible, inagotable de Dios ἄσβεστε ἥλιε, ἀκατάλειπτε Eu.Barth.22.28, τρυφαί Cat.Eu.Luc.16.19 (1.124).
2 adv. incesante, ininterrumpidamente Mac.Aeg.Serm.B 29.1.5.