οἶσθα (oistha)

οἶσθα is an Ancient Greek form of οἶδα, meaning “to know”. It is the 2nd person singular perfect active indicative.

Found 476 times in the Ancient Greek texts on Socratos.

Where it is used

Apollonius Rhodius, Argonautica 4.784: οἶσθα μέν, ὅσσον ἐμῇσιν ἐνὶ φρεσὶ τίεται ἥρως

Euripides, Hippolytus 309: νόθον φρονοῦντα γνήσι’, οἶσθά νιν καλῶς,

Lucian of Samosata, Hermotimus 39: … οκαταλαβόντος ἐν τοῖς ἑαυτοῦ πολίταις· ἐπεθύμουν γὰρ ἐγγύθεν ἅπαντα ὁρᾶν τὰ παρὰ τοῖς Ἑλλανοδίκαις γιγνόμενα. Οἶσθα οὖν καὶ τοῦτο, πῶς κληροῦσιν ὅντινα ᾧτινι χρὴ παλαίειν ἢ παγκρατιάζειν; Οἶδα γάρ. Οὐκοῦν ἂν ἄμεινον σὺ εἴποις …

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.