ἀρκεῖ (arkei)
ἀρκεῖ is an Ancient Greek form of ἀρκέω, meaning “ward off; be enough”. It is the 3rd person singular present active indicative.
Found 201 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 3.67.6: … ὲ τοῖς Ἕλλησι παράδειγμα οὐ λόγων τοὺς ἀγῶνας προθήσοντες ἀλλ’ ἔργων, ὧν ἀγαθῶν μὲν ὄντων βραχεῖα ἡ ἀπαγγελία ἀρκεῖ, ἁμαρτανομένων δὲ λόγοι ἔπεσι κοσμηθέντες προκαλύμματα γίγνονται.
New Testament, 2 Corinthians 12.8: ὑπὲρ τούτου τρὶς τὸν κύριον παρεκάλεσα ἵνα ἀποστῇ ἀπʼ ἐμοῦ· καὶ εἴρηκέν μοι Ἀρκεῖ σοι ἡ χάρις μου· ἡ γὰρ δύναμις ἐν ἀσθενείᾳ τελεῖται.
All forms of ἀρκέω (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.