ἴσθʼ (isth)

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

Found 60 times in the Ancient Greek texts on Socratos.

Where it is used

Euripides, Alcestis 1130: σάφ’ ἴσθʼ. ἀπιστεῖν δ’ οὔ σε θαυμάζω τύχην.

Euripides, Medea 696: σάφ’ ἴσθ’· ἄτιμοι δ’ ἐσμὲν οἱ πρὸ τοῦ φίλοι.

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.