μυρίοις (myriois)
μυρίοις is an Ancient Greek form of μυρίος, meaning “countless; ten thousand”. It is the dative plural masculine adjective.
Found 132 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 1.107.2: … έου ὄντος ἔτι ἡγουμένου ἐβοήθησαν τοῖς Δωριεῦσιν ἑαυτῶν τε πεντακοσίοις καὶ χιλίοις ὁπλίταις καὶ τῶν ξυμμάχων μυρίοις, καὶ τοὺς Φωκέας ὁμολογίᾳ ἀναγκάσαντες ἀποδοῦναι τὴν πόλιν ἀπεχώρουν πάλιν.
Appianus of Alexandria, Civil Wars 5.1.3: … ς τάξεις. ὁ δὲ λοιπὸς αὐτοῖς στρατὸς ἐγένετο, σὺν τοῖς μεταθεμένοις ἀπὸ Βρούτου, τέλη πεζῶν ἕνδεκα καὶ ἱππέες μύριοις καὶ τετρακισχίλιοι. καὶ ἔσχεν αὐτῶν ὁ μὲν Ἀντώνιος διὰ τὴν ἀποδημίαν ἓξ τέλη καὶ ἱππέας μυρίους, ὁ δὲ Καῖσαρ …
All forms of μυρίος (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.