ἑκατέρων (hekateron)
ἑκατέρων is an Ancient Greek form of ἑκάτερος, meaning “each of two”. It is the genitive plural masculine adjective.
Found 284 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 1.15.3: μάλιστα δὲ ἐς τὸν πάλαι ποτὲ γενόμενον πόλεμον Χαλκιδέων καὶ Ἐρετριῶν καὶ τὸ ἄλλο Ἑλληνικὸν ἐς ξυμμαχίαν ἑκατέρων διέστη.
All forms of ἑκάτερος (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.