μιξέλληνες
From LSJ
τοῖς πράγμασιν γὰρ οὐχὶ θυμοῦσθαι χρεών· μέλει γὰρ αὐτοῖς οὐδέν· ἀλλ' οὑντυγχάνων τὰ πράγματ' ὀρθῶς ἂν τιθῇ, πράξει καλῶς → It does no good to rage at circumstance; events will take their course with no regard for us. But he who makes the best of those events he lights upon will not fare ill.
English (LSJ)
οἱ,
A half Greeks half barbarians, mongrel Greeks, Hellanic.71 (a) J., IPE12.32B17 (Olbia, iii B. C.), Plb.1.67.7: sg. μιξέλλην Hld.9.24, Porph. ap. Eus.PE3.11.
Greek (Liddell-Scott)
μιξέλληνες: οἱ, κατὰ τὸ ἥμισυ μόνον Ἕλληνες κατὰ δὲ τὰ ἄλλα βάρβαροι, Ἑλλάνικ. 112, Πολύβ. 1. 67, 7· τὸ ἑνικ. μιξέλλην παρ’ Ἡλιοδ. 9. 24.