εὑώνυμος
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)
Frisk Etymological English
Grammatical information: adj.
Meaning: of good name, of good reputation, renowned (Hes. Th. 409, Pi.); left (Ephesos VI-Va ); τὸ εὑώνυμον (κέρας) = the left wing (Hdt., Th.).
Origin: GR [a formation built with Greek elements]
Etymology: Euphemistic replacement of older σκαιός, λαιός, also ἀριστερός; s. Chantraine Μνήμης χάριν 1, 61ff. - Cf. ὄνομα.