Strong’s Hebrew
H7516 — rephesh
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
רֶפֶשׁ
rephesh — pronounced reh'-fesh
from 7515; mud (as roiled):--mire. see H07515
1 occurrence in the KJV.
Isaiah 57:20
But the wicked are like the troubled sea, when it cannot rest, whose waters cast up mire and dirt.