ῥωςτικός

ή, όν
A. strengthening, Dsc. 5.6.10, Gal. 6.604 (interpol.), Philagr. ap. Orib. 5.17.6.
II. strong, Gal. 17(1).43.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project