καθετήριον
From LSJ
Αὐτάρκης ἔσῃ, ἂν μάθῃς τί τὸ καλὸν κἀγαθόν ἐστι → You will be contented with your lot if you learn what the honourable and good is
English (LSJ)
(sc. ὄργανον), τό,
A = καθετήρ 1, f.l. in Hp.Mul.2.157; τὸ ὄργανον τὸ κ. Aret.CA2.9.
German (Pape)
[Seite 1283] ὄργανον, = καθετήρ 1, Aret.