transitive verb
Origin: ME envirounen < OFr environner < environ, about: see environs
See environ in American Heritage Dictionary 4
transitive verb en·vi·roned, en·vi·ron·ing, en·vi·rons
Origin:
Origin: Middle English envirounen
Origin: , from Old French environner
Origin: , from environ, round about
Origin: : en-, in; see en-1
Origin: + viron, circle (from virer, to turn; see veer1)
.Learn more about environ