στενυγρός
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)
ή, όν, Ion. for
A στενός, ἀτραπός Semon.14, cf. Hp.Epid. 5.48; ἰσθμός Max.Tyr.35.7; στενυγρή, ἡ, a narrow pass or strait, Orac. ap. Oenom. ap. Eus.PE5.20, prob. for στενύστραν in Orac. ap. Apollod.2.8.2.