
[French, from Medieval Latin officīnālis, of a storeroom or workshop, from Latin officīna, workshop, alteration of opificīna, from opifex, opific-, workman : opus, work + facere, to do.]
officinally of·fic'i·nal·ly adv.An official drug.
Officinal is a term applied in medicine to drugs, plants and herbs, which are sold in a chemist or druggist shop, and to medical preparations of such drugs, et cetera, as are made in accordance with the prescriptions authorized by a pharmacopoeia. Not to be confused with the word "official". The classical Latin officina meant a workshop, manufactory, laboratory, and in medieval Latin was applied to a general storeroom. It thus became applied to a shop where goods were sold rather than a place where things were made.[1]
In botanical nomenclature, the specific epithet officinalis derives from a plant's historical use in pharmacology.
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