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)
active: P. and V. ἐλαφρός (Xen.), Ar. and V. κοῦφος.
quick generally: Ar. and P. ὀξύς; see active.
