ἐθνῶν (ethnon)
ἐθνῶν is an Ancient Greek form of ἔθνος, meaning “people, nation, tribe”. It is the genitive plural neuter noun.
Found 547 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 2.99.6: ἐκράτησαν δὲ καὶ τῶν ἄλλων ἐθνῶν οἱ Μακεδόνες οὗτοι, ἃ καὶ νῦν ἔτι ἔχουσι, τόν τε Ἀνθεμοῦντα καὶ Κρηστωνίαν καὶ Βισαλτίαν καὶ Μακεδόνων αὐτῶν πολλήν. τὸ δὲ ξύμπαν Μακεδονία καλεῖται, καὶ Περδίκκας Ἀλεξάνδρου βασιλεὺς αὐτῶν ἦν ὅτε Σιτάλκης ἐπῄει.
All forms of ἔθνος (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.