from The Century Dictionary and Cyclopedia
- n. One who shears cloth to free it from superfluous nap.
Sorry, no etymologies found.
"I am, sir," quoth he, "of England, and my name is Thomas Cromwell; my father is a poor man, and by occupation a cloth-shearer; I am strayed from my country, and am now come into Italy with the camp of Frenchmen that were overthrown at Garigliano, where I was page to a footman, carrying after him his pike and burganet."
a cloth-shearer (cimator), hence the family surname.