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Maybe we should just blame Harvard.
In the mid 1940s, students at the Ivy League business school hit upon a new way of thinking about their coursework. Catchy words or phrases that seemed to recur in their lectures and reading were noted down, to be later redeployed. The more they did this, the better their results trended.
In a piece of nomenclature that inevitably spread across the world they called them “buzzwords”.