Answer: girdling

AnswerCrossword Clue
girdlingSurround; encircle
girdlingEncircle (the body) with or as a girdle or belt
girdlingCut through the bark all the way around (a tree or branch), typically in order to kill it or to kill a branch to make the tree more fruitful
girdlingGIRDLE, to encircle with a belt