ὑπεργήρως
From LSJ
Ἐς δὲ τὰ ἔσχατα νουσήματα αἱ ἔσχαται θεραπεῖαι ἐς ἀκριβείην, κράτισται → But for extreme illnesses, extreme remedies, applied with severe exactitude, are the best (Hippocrates, Aphorism 6)
English (LSJ)
ων,
A exceedingly old, of extreme age, Ph.1.622, Babr.47.1, Luc.DMort.27.9, etc.; τὸ ὑ. extreme old age, A.Ag.79 (anap.); past the age of service, PGiss. 59iv 14 (ii A. D.): prob. proparox.: sts. ὑπέργηρος, ον, in codd. (so in Gloss.); pl. ὑπέργηροι Vett.Val.350.19.