ἄρξασθαι (arxasthai)
ἄρξασθαι is an Ancient Greek form of ἄρχω, meaning “to begin; to rule, lead”. It is the aorist middle infinitive.
Found 77 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 6.16.1: ‘καὶ προσήκει μοι μᾶλλον ἑτέρων, ὦ Ἀθηναῖοι, ἄρχειν (ἀνάγκη γὰρ ἐντεῦθεν ἄρξασθαι, ἐπειδή μου Νικίας καθήψατο), καὶ ἄξιος ἅμα νομίζω εἶναι. ὧν γὰρ πέρι ἐπιβόητός εἰμι, τοῖς μὲν προγόνοις μου καὶ ἐμοὶ δόξαν φέρει ταῦτα, τῇ δὲ πατρίδι καὶ ὠφελίαν.
Diogenes Laertius, Vitae philosophorum 10.1.14: … άψαι αὐτὸν ἐκ τοῦ Ναυσιφάνους Τρίποδος, οὗ καὶ ἀκοῦσαί φησιν αὐτόν, ἀλλὰ καὶ Παμφίλου τοῦ Πλατωνικοῦ ἐν Σάμῳ. ἄρξασθαί τε φιλοσοφεῖν ἐτῶν ὑπάρχοντα δυοκαίδεκα, ἀφηγήσασθαι δὲ τῆς σχολῆς ἐτῶν ὄντα δύο πρὸς τοῖς τριάκοντα. Ἐγεννήθ …
All forms of ἄρχω (conjugation 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.