ἀρχαῖς (archais)

ἀρχαῖς is an Ancient Greek form of ἀρχή, meaning “beginning; rule, office, command”. It is the dative plural feminine noun.

Found 223 times in the Ancient Greek texts on Socratos.

Where it is used

Thucydides, History of the Peloponnesian War 4.74.3: οἱ δὲ ἐπειδὴ ἐν ταῖς ἀρχαῖς ἐγένοντο καὶ ἐξέτασιν ὅπλων ἐποιήσαντο, διαστήσαντες τοὺς λόχους ἐξελέξαντο τῶν τε ἐχθρῶν καὶ οἳ ἐδόκουν μάλι …

All forms of ἀρχή (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.