δωδεκαετηρίς
From LSJ
Περὶ τοῦ ἐπέκεινα τοῦ νοῦ κατὰ μὲν νόησιν πολλὰ λέγεται, θεωρεῖται δὲ ἀνοησίᾳ κρείττονι νοήσεως → On the subject of that which is beyond intellect, many statements are made on the basis of intellection, but it may be immediately cognised only by means of a non-intellection superior to intellection
English (LSJ)
ίδος, ἡ,
A cycle of twelve years, τοῦ Διός Gp.1.12 tit.: pl., title of Orphic work, Suid.
German (Pape)
[Seite 693] ίδος, ἡ, Zeitraum von 12 Jahren, Geop. u. Sp.