ἑπτακοσίων (heptakosion)
ἑπτακοσίων is an Ancient Greek form of ἑπτακόσιοι, meaning “seven hundred”. It is the genitive plural feminine adjective.
Found 30 times in the Ancient Greek texts on Socratos.
Where it is used
Plutarch, Aemilius Paulus 18.2: οἱ δὲ Ῥωμαϊκῶν ὑποζυγίων χορτάσματα παρακομιζόντων ἅπτεσθαι Θρᾷκας, ὧν Ἀλέξανδρος ἡγεῖτο, πρὸς δὲ τούτους ἐκδρομὴν ὀξεῖαν ἑπτακοσίων Λιγύων γενέσθαι· παραβοηθούντων δὲ πλειόνων ἑκατέροις οὕτω συνάπτεσθαι τὴν μάχην ἀμφοτέρων.
All forms of ἑπτακόσιοι (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.