decay
From LSJ
Ἔλπιζε τιμῶν τοὺς θεοὺς πράξειν καλῶς → Spera felicitatem, si deos colas → Erhoffe Wohlergeh'n, wenn du die Götter ehrst
English > Greek (Woodhouse)
verb intransitive
waste away: P. and V. μαραίνεσθαι, φθίνειν (Plato), V. ἀποφθίνειν, καταφθίνειν, P. ἀπομαραίνεσθαι (Plato); see pine.
rot, fall to pieces: P. and V. τήκεσθαι (Plato), σήπεσθαι, ἀπορρεῖν, Ar. and P. κατασήπεσθαι.
Met., pass away: P. and V. διαρρεῖν, ἀπορρεῖν, V. φθίνειν.
substantive
As opposed to growth: P. φθορά, ἡ, φθίσις, ἡ.