intr.v. moiled, moil·ing, moils
1. To work hard; toil: men who moil in mines.
2. To churn about continuously: clouds moiling in the wind.
1. Hard work; toil.
2. Confusion; turmoil: "the dogs shooting past her in a moil of fur and flashing feet" (T.C. Boyle).
[Middle English mollen, to soften by wetting, from Old French moillier, from Vulgar Latin *molliāre, from Latin mollia (pānis), the soft part (of bread), from neuter pl. of mollis, soft; see mel-1 in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.