ἐπιστολικός
From LSJ
Οὔτ' ἐν φθιμένοις οὔτ' ἐν ζωοῖσιν ἀριθμουμένη, χωρὶς δή τινα τῶνδ' ἔχουσα μοῖραν → Neither among the dead nor the living do I count myself, having a lot apart from these
English (LSJ)
ή, όν,
A suited to a letter, Arist.Fr.670; in the style of letters, λόγοι D.H.Lys.1.3; as book-title, Gal.8.150, D.L.10.25, prob. cj. in Sor.2.53; χαρακτήρ Demetr.Eloc.223, Ap.Ty.Ep.19. Adv. ἐπιστολ-κῶς Demetr.Eloc.233.