ἑταίραις (hetairais)
ἑταίραις is an Ancient Greek form of ἑταίρα, meaning “female companion”. It is the dative plural feminine noun.
Found 25 times in the Ancient Greek texts on Socratos.
Where it is used
Diogenes Laertius, Vitae philosophorum 4.6.40: … Ἀρίστιππος;—ἐπὶ τὰ δεῖπνα πρὸς τοὺς ὁμοιοτρόπους μέν, πλὴν ἀλλʼ ἀπήντα. καὶ Θεοδότῃ τε καὶ Φίλᾳ ταῖς Ἠλείαις ἑταίραις συνῴκει φανερῶς καὶ πρὸς τοὺς διασύροντας προεφέρετο τὰς Ἀριστίππου χρείας. φιλομειράκιός τε ἦν καὶ καταφερής …
Sappho, Poems and Fragments (ed. Edmonds 1922) 12.1: . . . τάδε νῦν ἐταίραις
All forms of ἑταίρα (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.