Strong’s Greek
G5164 — trochos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
τροχός
trochos — pronounced trokh-os'
from 5143; a wheel (as a runner), i.e. (figuratively) a circuit of physical effects:--course. see GREEK for 5143
1 occurrence in the KJV.
James 3:6
And the tongue is a fire, a world of iniquity: so is the tongue among our members, that it defileth the whole body, and setteth on fire the course of nature; and it is set on fire of hell.