Wallow (Verb and Noun) - Vine's Expository Dictionary of New Testament Words
Wallow (Verb and Noun)[ A-1,Verb,G2947, kulio ]
in the Active Voice denotes to roll, roll along;" in the Middle Voice in Mark 9:20, rendered "wallowed."
[ B-1,Noun,G2946, kulismos ]
"a rolling, wallowing," akin to A (some texts have kulisma), is used in 2 Peter 2:22, of the proverbial sow that had been washed.