ὁ μὴ πεπλευκὼς οὐδὲν ἑόρακεν κακόν → anyone who hasn't sailed has never seen trouble
dŭŏpondĭum, ĭī, n., c dupondium : Grom. 28, 13.
duopondium, iī, n., altlat. = dipondium (dupondium), Gromat. vet. 28, 13.