v. & n.
v.intr. 1 work laboriously or incessantly. 2 make slow painful progress (toiled along the path).
n. prolonged or intensive labour; drudgery. toil-worn worn or worn out by toil. toiler n.
[ ME f. AF toiler (v.), toil (n.), dispute, OF tooilier, tooil, f. L tudiculare stir about f. tudicula machine for bruising olives, rel. to tundere beat ]