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substance extensively used in medicine, early 14c., caumfre, from Old French camphre, from Medieval Latin camfora, from Arabic kafur, perhaps via Sanskrit karpuram, from Malay kapur "camphor tree." Related: Camphorated.
camphor cam·phor (kām'fər)
An aromatic crystalline compound obtained from the wood or leaves of the camphor tree or synthesized and used as an insect repellent and in external preparations to relieve mild pain and itching.