ἑκάστων (hekaston)
ἑκάστων is an Ancient Greek form of ἕκαστος, meaning “each, every one”. It is the genitive plural masculine adjective.
Found 200 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 1.46.2: στρατηγοὶ δὲ τούτων ἦσαν μὲν καὶ κατὰ πόλεις ἑκάστων, Κορινθίων δὲ Ξενοκλείδης ὁ Εὐθυκλέους πέμπτος αὐτός.
All forms of ἕκαστος (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.