The Etymology of Enforce
Enforce originally had nothing to do with law. When it entered English from Old French enforcier in the 14th century, it simply meant 'to strengthen' or 'to use force.' You could enforce a wall (reinforce it) or enforce a person (overpower them). The Old French verb combined en- ('make') with force, which traces back to Latin fortis ('strong') — the same root behind fortress, fortify, and comfort. The legal sense of compelling obedience to rules emerged gradually as English common law matured through the 15th and 16th centuries. Courts needed a word for the state's power to ensure compliance, and enforce shifted to fill that gap. The older physical meaning faded almost entirely, leaving the modern word firmly planted in the language of governance, regulation, and policing.