ἐπακριβής
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)
ές,
A accurate: neut. as Adv., -ὲς πάντα ἐπεξιέναι Aps. Rh.p.316 H.