πί (pi)
πί is an Ancient Greek form of ἐπί, meaning “on, upon, at, against, toward (+gen./dat./acc.)”. It is the preposition.
Found 69 times in the Ancient Greek texts on Socratos.
Where it is used
Euripides, Cyclops 603: καὶ μὴ ’πὶ καλλίστοισι Τρωικοῖς πόνοις
Euripides, Electra 737: λέγεται, τὰν δὲ πί-
Plutarch, Quaestiones Convivales 9.2.3: … ν ἀφώνων γραμμάτων ὀνόματα πλὴν ἑνὸς ἅπαντα προσχρῆται τῷ ἄλφα καθάπερ φωτὶ τῆς περὶ αὐτὰ τυφλότητος · τοῦ δὲ πῖ μόνον ἄπεστιν ἡ δύναμις αὕτη· τὸ γὰρ φῖ καὶ τὸ χῖ τὸ μέν ἐστι πῖ τὸ δὲ κάππα δασυνόμενον.
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.