διόσπυρον
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)
τό,
A fruit of nettle-tree, Celtis australis, Thphr. HP3.13.3:—but διόσ-πυρος, ὁ, = λιθόσπερμον, Dsc.3.141.