Strong’s Greek
G1004 — borboros
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
βόρβορος
borboros — pronounced bor'-bor-os
of uncertain derivation; mud:--mire.
1 occurrence in the KJV.
2 Peter 2:22
But it is happened unto them according to the true proverb, The dog is turned to his own vomit again; and the sow that was washed to her wallowing in the mire.