σιαγονίτης
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)
[ῑτ] μῦς, ὁ, the muscle
A of the jaw-bone, Alex.Trall.1.16, Steph.in Hp. 1.99D.
German (Pape)
[Seite 877] ὁ, μῦς, der Kinnbackenmuskel, Medic.
Greek (Liddell-Scott)
σιᾱγονίτης: μῦς, ὁ, ὁ μῦς τῆς σιαγόνος, Ἀλέξ. Τραλλ. 1. 97.