Using money, resources, or time wisely without wasting them; not expensive.
From French 'économique,' derived from Greek 'oikonomia' (household management), combining 'oikos' (house) and 'nomos' (law). The word meant 'managing a household' before becoming about financial efficiency.
The ancient Greek root reveals that economics started as a domestic concern—how to manage your household resources. It didn't become a science about entire nations until much later, but the word kept that humble origin of careful management.
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