ἑξήρετμος

ον
A. of six banks of oars, ἑξηρέτμοις πτέρυξιν ἠγλαϊσμένος, i.e. in command of a ἑξήρης, Epigr.Gr. 337 (Cyzicus).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project