ἐννεακαιδεκαετηρίς
From LSJ
ἀκίνδυνοι δ' ἀρεταὶ οὔτε παρ' ἀνδράσιν οὔτ' ἐν ναυσὶ κοίλαις τίμιαι → but excellence without danger is honored neither among men nor in hollow ships
English (LSJ)
ίδος, ἡ,
A cycle of nineteen years, D S. 12.36, Placit.2.32.2, Ptol.Tetr.205.
German (Pape)
[Seite 846] ίδος, ἡ, Zeit von neunzehn Jahren, Plut. plac. phil. 2, 32 D. Sic. 12, 36.