πιστῶν (piston)
πιστῶν is an Ancient Greek form of πιστός, meaning “faithful, trustworthy”. It is the genitive plural masculine adjective.
Found 60 times in the Ancient Greek texts on Socratos.
Where it is used
Diogenes Laertius, Vitae philosophorum 5.6.89: … δε ἱστορεῖ περὶ αὐτοῦ· θρέψαι αὐτὸν δράκοντα ἐκ νέου καὶ αὐξηθέντα, ἐπειδὴ τελευτᾶν ἔμελλε, κελεῦσαί τινι τῶν πιστῶν αὑτοῦ τὸ σῶμα κατακρύψαι, τὸν δὲ δράκοντα ἐπὶ τῆς κλίνης θεῖναι, ἵνα δόξειεν εἰς θεοὺς μεταβεβηκέναι.
All forms of πιστός (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.