ὅτʼ (hot)
ὅτʼ is an Ancient Greek form of ὅτι, meaning “that; because”.
It can also be a form of ὅτε, “when”. It is the conjunction.
Found 701 times in the Ancient Greek texts on Socratos.
Where it is used
Apollonius Rhodius, Argonautica 1.256: ὡς ὄφελεν καὶ Φρίξον, ὅτʼ ὤλετο παρθένος Ἕλλη,
Thucydides, History of the Peloponnesian War 1.9.2: … μὲν ἐν τῇ Ἀττικῇ ὑπὸ Ἡρακλειδῶν ἀποθανόντος, Ἀτρέως δὲ μητρὸς ἀδελφοῦ ὄντος αὐτῷ, καὶ ἐπιτρέψαντος Εὐρυσθέως, ὅτ᾽ ἐστράτευε, Μυκήνας τε καὶ τὴν ἀρχὴν κατὰ τὸ οἰκεῖον Ἀτρεῖ (τυγχάνειν δὲ αὐτὸν φεύγοντα τὸν πατέρα διὰ τὸν Χρυ …
Sappho, Poems and Fragments (ed. Edmonds 1922) 148.9: πέρροχος ὠς ὄτʼ ἄοιδος
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.