ἀμετρόβιος
From LSJ
Ἀναβάντα γὰρ εἰς τὴν ἀκρόπολιν, καὶ διὰ τὴν ὑπερβολὴν τῆς λύπης προσκόψαντα τῷ ζῆν, ἑαυτὸν κατακρημνίσαι → For he ascended the acropolis and then, because he was disgusted with life by reason of his excessive grief, cast himself down the height
English (LSJ)
ον,
A of immensely long life, ἐλέφαντες Man.1.53; κόρακες prob. l. in Epigr. ap.Philostr.Her.19.17.