ἀγροῖς (agrois)
ἀγροῖς is an Ancient Greek form of ἀγρός, meaning “field, countryside”. It is the dative plural masculine noun.
Found 60 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 2.14.2: χαλεπῶς δὲ αὐτοῖς διὰ τὸ αἰεὶ εἰωθέναι τοὺς πολλοὺς ἐν τοῖς ἀγροῖς διαιτᾶσθαι ἡ ἀνάστασις ἐγίγνετο.
All forms of ἀγρός (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.