σεῖο (seio)

σεῖο is an Ancient Greek form of σύ, meaning “you (sg.), thou”. It is the genitive singular pronoun.

Found 129 times in the Ancient Greek texts on Socratos.

Where it is used

Apollonius Rhodius, Argonautica 1.286: σεῖο πόθῳ μινύθουσα δυσάμμορος, ᾧ ἔπι πολλὴν

Homeric Hymns, Hymn 3 to Delian and Pythian Apollo 53: ἄλλος δʼ οὔτις σεῖό ποθʼ ἅψεται, οὐδέ σε λήσει·

Greek Anthology, Greek Anthology, Ἀνθολογία, Volume II 7.643.4: μοῖραν τῇ πάντως σεῖὸ ποτʼ ἐσσομένῃ;

All forms of σύ (declension 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.