ἕω (heo)
ἕω is an Ancient Greek form of ἑός, meaning “his, her, its own”. It is the dative singular masculine adjective.
Found 598 times in the Ancient Greek texts on Socratos.
Where it is used
Apollonius Rhodius, Argonautica 3.26: παιδὶ ἑῷ εἰπεῖν ὀτρύνομεν, αἴ κε πίθηται
Thucydides, History of the Peloponnesian War 1.48.2: καὶ ἅμα ἕῳ πλέοντες καθορῶσι τὰς τῶν Κερκυραίων ναῦς μετεώρους τε καὶ ἐπὶ σφᾶς πλεούσας.
Pindar, Isthmean 1.31: Τυνδαρίδας δʼ ἐν Ἀχαιοῖς ὑψίπεδον Θεράπνας οἰκ έω ν ἕδος.
All forms of ἑός (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.