ἀλύβας
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)
Spanish (DGE)
graf. por ἀλίβας Sud.s.u. Εὔθυμος, cj. en Paus.6.6.11.