A primitive root; to trample, i.e. Roil water -- foul, trouble.
Englishman's Concordance
1) to stamp, tread, foul by stamping or treading 1a) (Qal) to tread down, foul by treading, foul with the feet 1b) (Niphal) to be fouled Part of Speech: verb A Related Word by BDB/Strong’s Number: a primitive root Same Word by TWOT Number: 2199
Proverbs 25:26 HEB: מַעְיָ֣ן נִ֭רְפָּשׂ וּמָק֣וֹר מָשְׁחָ֑ת KJV: the wicked [is as] a troubled fountain, INT: spring a troubled well polluted
Ezekiel 32:2 HEB:מַ֙יִם֙ בְּרַגְלֶ֔יךָ וַתִּרְפֹּ֖ס נַהֲרוֹתָֽם׃ KJV: with thy feet, and fouledst their rivers. INT: the waters your feet and fouledst your rivers
Ezekiel 34:18 HEB:הַנּ֣וֹתָרִ֔ים בְּרַגְלֵיכֶ֖ם תִּרְפֹּשֽׂוּן׃ KJV: waters, but ye must foul the residue INT: the rest your feet foul