ἁγίῳ (hagio)
ἁγίῳ is an Ancient Greek form of ἅγιος, meaning “holy, sacred”. It is the dative singular masculine adjective.
Found 95 times in the Ancient Greek texts on Socratos.
Where it is used
New Testament, Matthew 3.11: ἐγὼ μὲν ὑμᾶς βαπτίζω ἐν ὕδατι εἰς μετάνοιαν· ὁ δὲ ὀπίσω μου ἐρχόμενος ἰσχυρότερός μου ἐστίν, οὗ οὐκ εἰμὶ ἱκανὸς τὰ ὑποδήματα βαστάσαι· αὐτὸς ὑμᾶς βαπτίσει ἐν πνεύματι ἁγίῳ καὶ πυρί·
John of Damascus, Saint, Vita Barlaam et Joasaph 10.84: οὕτω γὰρ ἡμεῖς, ἐκ φωτὸς τοῦ Πατρὸς φῶς περιλαμφθέντες τὸν Υἱὸν ἐν φωτὶ τῷ Ἅγίῳ Πνεύματι, μίαν δοξάζομεν θεότητα ἐν τρισὶν ὑποστάσεσι· καὶ αὐτός ἐστιν ἀληθινὸς καὶ μόνος Θεός, ὁ ἐν Τριάδι γ …
All forms of ἅγιος (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.