συμβάλλεσθαι (symballesthai)
συμβάλλεσθαι is an Ancient Greek form of συμβάλλω, meaning “throw together; meet, join battle; compare”. It is the present middle/passive infinitive.
Found 40 times in the Ancient Greek texts on Socratos.
Where it is used
Diogenes Laertius, Vitae philosophorum 2.8.91: … ώματος, μέχρις ἂν παρῇ, ἀσπάζεσθαι. τῶν ἀρετῶν ἐνίας καὶ περὶ τοὺς ἄφρονας συνίστασθαι. τὴν σωματικὴν ἄσκησιν συμβάλλεσθαι πρὸς ἀρετῆς ἀνάληψιν. τὸν σοφὸν μήτε φθονήσειν μήτε ἐρασθήσεσθαι ἢ δεισιδαιμονήσειν· γίνεσθαι γὰρ ταῦτα παρὰ …
Dionysius of Halicarnassus, De Compositione Verborum 4·3: … τέροις οὐκέτι πλὴν ὀλίγων· χρόνῳ δʼ ὕστερον παντάπασιν ἠμελήθη καὶ οὐδεὶς ᾤετο δεῖν ἀναγκαῖον αὐτὸ εἶναι οὐδὲ συμβάλλεσθαί τι τῷ κάλλει τῶν λόγων·
All forms of συμβάλλω (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.