δωδεκαετηρίς
From LSJ
ψυχῆς πείρατα ἰὼν οὐκ ἂν ἐξεύροιο πᾶσαν ἐπιπορευόμενος ὁδόν· οὕτω βαθὺν λόγον ἔχει → one would never discover the limits of soul, should one traverse every road—so deep a measure does it possess
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.