ἀφευρίσκω
From LSJ
ἑτέρως ἠδύνατο βέλτιον ἢ ὡς νῦν ἔχει κατεσκευάσθαι → otherwise they could have been constructed better than they are now (Galen, On the use of parts of the body 4.143.1 Kühn)
English (LSJ)
pf. ἀφεύρηκα, A to be deficient, PTeb.8.19 (iii B.C.).
Spanish (DGE)
echar en falta, comprobar un déficit, faltar, ἐάν τι ἀφεύρῃ, ἀποτεισάτω PCair.Zen.667.14, SB 9841.9, 23, cf. 11943.19 (todos III a.C.).