ἐπιπήγνυμι
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)
or ἐπιπηγνύω,
A make to freeze on the top, X.Cyn.5.1:—Pass., with intr. pf. ἐπιπέπηγα, congeal, coagulate, Thphr.CP5.13.2, Gal. 18(1).597. II. Pass., to be fastened on, ὀργάνῳ Heliod. ap. Orib. 49.4.39. (Cf. ἐπιπήσσομαι).