Ἑλληνίδων (Hellenidon)
Ἑλληνίδων is an Ancient Greek form of Ἑλληνίς, meaning “Hellenis — Greek woman; Greek”. It is the genitive plural feminine noun.
Found 66 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 1.35.2: εἴρηται γὰρ ἐν αὐταῖς, τῶν Ἑλληνίδων πόλεων ἥτις μηδαμοῦ ξυμμαχεῖ,ἐξεῖναι παρ᾽ ὁποτέρους ἂν ἀρέσκηται ἐλθεῖν.
All forms of Ἑλληνίς (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.