Industry

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late Middle English (in industry (sense 2)): from French industrie or Latin industria ‘diligence’.

wiktionary

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From Middle English industry, industrie, from Old French industrie, from Latin industria(“diligence, activity, industry”), from industrius(“diligent, active, zealous”), from Old Latin indostruus(“diligent, active”); origin unknown. Perhaps from indu(“in”) + ūst-, ūstr-, stem of ūrō(“burn, burn up, consume”, verb), related to Old High German ūstrī(“industry”), Old English andūstrian(“to hate, detest”, literally “to be consumed with zeal”).

etymonline

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industry (n.)

late 15c., "cleverness, skill," from Old French industrie "activity; aptitude, experience" (14c.) or directly from Latin industria "diligence, activity, zeal," noun use of fem. of industrius "active, diligent," from early Latin indostruus "diligent," from indu "in, within" (from PIE *endo-, extended form of root *en "in") + stem of struere "to build" (from PIE root *stere- "to spread"). The meaning "habitual diligence, effort" is from 1530s; that of "systematic work" is from 1610s. The sense "a particular trade or manufacture" is first recorded 1560s.