tr.v. en·forced, en·forc·ing, en·forc·es
1. To compel observance of or obedience to: enforce a law.
2. To impose (a kind of behavior, for example): enforce military discipline.
3. To give force to; reinforce: "enforces its plea with a description of the pains of hell" (Albert C. Baugh).
[Middle English enforcen, from Old French enforcier, to exert force, compel, and from enforcir, to strengthen : en-, causative pref.; see EN-1 + force, strength; see FORCE.]
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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.