μακροημέρευσις
From LSJ
Ἔοικα γοῦν τούτου γε σμικρῷ τινι αὐτῷ τούτῳ σοφώτερος εἶναι, ὅτι ἃ μὴ οἶδα οὐδὲ οἴομαι εἰδέναι → I seem, then, in just this little thing to be wiser than this man at any rate, that what I do not know I do not think I know either
English (LSJ)
εως, ἡ, A length of days, LXX Si.1.12.
Greek (Liddell-Scott)
μακροημέρευσις: ἡ, παράτασις τῶν ἡμερῶν τοῦ βίου, μακροβιότης, Ἑβδ. (Σειρὰχ. Α΄, 12), Ἐκκλ.