εἰδέναι (eidenai)

εἰδέναι is an Ancient Greek form of οἶδα, meaning “to know”. It is the perfect active infinitive.

Found 1,223 times in the Ancient Greek texts on Socratos.

Where it is used

Thucydides, History of the Peloponnesian War 1.5.2: δηλοῦσι δὲ τῶν τε ἠπειρωτῶν τινὲς ἔτι καὶ νῦν, οἷς κόσμος καλῶς τοῦτο δρᾶν, καὶ οἱ παλαιοὶ τῶν ποιητῶν τὰς πύστεις τῶν καταπλεόντων πανταχοῦ ὁμοίως ἐρωτῶντες εἰ λῃσταί εἰσιν, ὡς οὔτε ὧν πυνθάνονται ἀπαξιούντων τὸ ἔργον, οἷς τε ἐπιμελὲς εἴη εἰδέναι οὐκ ὀνειδιζόντων.

Procopius, De Bellis 2.4.5: καὶ φρούρια μὲν δύο καὶ τριάκοντα ἐν Ἰλλυριοῖς εἷλον, πόλιν δὲ τὴν Κασσάνδρειαν κατεστρέψαντο βίᾳ ʽἣν οἱ παλαιοὶ Ποτίδαιαν ἐκάλουν, ὅσα γε ἡμᾶς εἰδέναἰ οὐ τειχομαχήσαντες πρότερον.

All forms of οἶδα (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.