καταβιβασμός
From LSJ
μηδέν' ὀλβίζειν, πρὶν ἂν τέρμα τοῦ βίου περάσῃ μηδὲν ἀλγεινὸν παθών → Count no man blessed 'til he's passed the endpoint of his life without grievous suffering. (Sophocles, King Oedipus 1529f.)
English (LSJ)
ὁ,
A decrease, = ὑπόβασις, Procl.Par.Ptol.67. II throwing of the accent forward, Sch.Od.5.248, Eust.1361.39:—also καταβίβᾰσις, εως, ἡ, EM610.24.