ἁγίου (hagiou)
ἁγίου is an Ancient Greek form of ἅγιος, meaning “holy, sacred”. It is the genitive singular masculine adjective.
It can also be a form of Ἀγίας, “Agias — the author of a work on Argolis”. It is the genitive singular masculine noun or adjective.
Found 188 times in the Ancient Greek texts on Socratos.
Where it is used
New Testament, Matthew 1.18: ΤΟΥ ΔΕ [ΙΗΣΟΥ] ΧΡΙΣΤΟΥ ἡ γένεσις οὕτως ἦν. Μνηστευθείσης τῆς μητρὸς αὐτοῦ Μαρίας τῷ Ἰωσήφ, πρὶν ἢ συνελθεῖν αὐτοὺς εὑρέθη ἐν γαστρὶ ἔχουσα ἐκ πνεύματος ἁγίου.
Xenophon, Anabasis 3.1.47: … ἐκ τούτου ᾑρέθησαν ἄρχοντες ἀντὶ μὲν Κλεάρχου Τιμασίων Δαρδανεύς, ἀντὶ δὲ Σωκράτους Ξανθικλῆς Ἀχαιός, ἀντὶ δὲ Ἀγίου Κλεάνωρ Ἀρκάς, ἀντὶ δὲ Μένωνος Φιλήσιος Ἀχαιός, ἀντὶ δὲ Προξένου Ξενοφῶν Ἀθηναῖος.
Basil, Saint, Bishop of Caesarea, Epistulae 189·7: … καὶ τῇ αἰσθητῇ, εἴ τι χρὴ διὰ τῶν γινωσκομένων ἡμῖν καὶ περὶ τῶν ὑπερκειμένων στοχάζεσθαι, οὐδὲ αὐτὴ τῆς τοῦ ἀγίου Πνεύματος ἐνεργείας καὶ δυνάμεως ἔξω καθέστηκεν, ἑκάστου κατὰ τὴν ἰδίαν ἀξίαν τε καὶ χρείαν τῆς ὠφελείας μετα …
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.