ἐπιστολαῖς (epistolais)
ἐπιστολαῖς is an Ancient Greek form of ἐπιστολή, meaning “letter, message”. It is the dative plural feminine noun.
Found 71 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 7.11.1: ‘τὰ μὲν πρότερον πραχθέντα, ὦ Ἀθηναῖοι, ἐν ἄλλαις πολλαῖς ἐπιστολαῖς ἴστε· νῦν δὲ καιρὸς οὐχ ἧσσον μαθόντας ὑμᾶς ἐν ᾧ ἐσμὲν βουλεύσασθαι.
Clement of Alexandria, Stromata 5.10.65: Εἰκότως τοίνυν καὶ Πλάτων ἐν ταῖς Ἐπιστολαῖς περὶ θεοῦ διαλαμβάνων φραστέον δή σοι φησὶ δἰ αἰνιγμάτων, ἵν’ ἤν τι ἡ δέλτος ἢ πόντου ἢ γῆς ἐν πτυχαῖς πάθῃ, …
All forms of ἐπιστολή (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.