δεδειγμένως

From LSJ

ἀλλ' ἐσθ' ὁ θάνατος λοῖσθος ἰατρός κακῶν → but death is the ultimate healer of ills

Source

Spanish (DGE)

adv. sobre part. perf. pas. de δείκνυμι evidentemente Iust.Phil.Qu.Chr.M.6.1445D.