ῥῷον

τό
ῥῷον, τό,= Τρώων οἶνος, Theognost. Can. 148 (who derives it from ῥώω). ῥώπαες, τό, sine expl., ib.131.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project