προβόλαιος
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)
ον,
A held out before one, levelled, in rest, δούρατι προβολαίῳ Theoc.24.125; προβόλαιος alone, = πρόβολος 11, εἴσω τὸν π. ἔχων Orac. ap. Hdt.7.148.