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)
cestron: v. cestrum.
cestrŏn, ī, n. (κέστρον), bétoine [plante] : Plin. 25, 84.
