πρέσβιστος
From LSJ
μή, φίλα ψυχά, βίον ἀθάνατον σπεῦδε, τὰν δ' ἔμπρακτον ἄντλει μαχανάν → Oh! my soul do not aspire to eternal life, but exhaust the limits of the possible. | Do not yearn, O my soul, for immortal life! Use to the utmost the skill that is yours. | Do not, my soul, strive for the life of the immortals, but exhaust the practical means at your disposal.
English (LSJ)
η, ον, poet. Sup. of πρέσβυς,
A eldest, most august, most reverend, h.Hom.30.2, A.Th.390, S.Frr.582, 605; πρεσβίστα κόσμου μᾶτερ Lyr.Alex.Adesp.35.2; ἁ π. φιλοσοφία Ti.Locr. 104b; πόλις Sardis7(1).13: irreg. form πρεσβίστατος, η, ον, Nic.Th. 344.