רָפַשׂ (râphasraw-fas'verbstamp)
[Heb] רָפַשׂ ETCBC: רפשׂ‎ (verb|foul) OSHL: t.dy.aa TWOT: 2199 GK: H8346 Greek: καταπατέω, ταράσσω, φράσσω
Derivation: a primitive root;
Strong's: to trample, i.e. roil water
KJV: foul, trouble.