ἥγημα
From LSJ
ὡς μήτε τὰ γενόμενα ἐξ ἀνθρώπων τῷ χρόνῳ ἐξίτηλα γένηται → in order that so the memory of the past may not be blotted out from among men by time
English (LSJ)
ατος, τό,
A that which guides, Inscr.Perg.246.27. II (ἡγέομαι 111) thought, purpose, LXXEz.17.3.
German (Pape)
[Seite 1151] τό, Anführung, Anleitung, Rath, LXX., VLL.