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The word "经济学" is formed by combining the character "学", meaning "study", with the compound "经济", which means "economy". The compound "经济" is itself composed of "经", implying management or governance, and "济", suggesting benefit or aid, together referring to economic systems. Thus, "经济学" directly denotes "the study of economy" or economics.

Word Definition - 经济学

jīng jì xué economics (as a field of study)