Laboratory

google

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early 17th century: from medieval Latin laboratorium, from Latin laborare ‘to labour’.

wiktionary

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From Medieval Latin laboratorium

etymonline

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laboratory (n.)

c. 1600, "room or building set apart for scientific experiments," from Medieval Latin laboratorium "a place for labor or work," from Latin laboratus, past participle of laborare "to work" (see labor (v.)). Figurative use by 1660s.