ὁμοεθνής
From LSJ
οὕτω τι βαθὺ καὶ μυστηριῶδες ἡ σιγὴ καὶ νηφάλιον, ἡ δὲ μέθη λάλον → silence is something profound and mysterious and sober, but drunkenness chatters
English (LSJ)
ές,
A of the same people or race, Hdt.1.91, Arist.Rh.1384a11, Plb.1.67.3 : less wide than ὁμόφυλος, Id.11.19.3. 2 generally, of the same kind, [ζῷα] Arist.EN1155a19 ; τροφὴ ὁ. Ael.NA13.3.