ἐκπονεῖν
From LSJ
ἐς δὲ τὰ ἔσχατα νουσήματα αἱ ἔσχαται θεραπεῖαι ἐς ἀκριβείην, κράτισται → for extreme diseases, extreme methods of cure, as to restriction, are most suitable (Corpus Hippocraticum, Aphorisms 1.6.2)
Greek > English (Woodhouse Verbs Reversed)
(see also ἐκπονέω): earn, acquire by labour, bring to perfection, bring to success by effort, carry through by effort, digest food, labor out, labour out, make by work, make perfect, win by labor, win by labour, work out, work up
Lexicon Thucydideum
elaborare, excolere, to work diligently at, cultivate, 3.38.2,
PASS. 6.31.3.