calamus
ca·la·mus
noun
2.
the aromatic root of the sweet flag used medicinally
4.
Origin
Learned borrowing from Latin calamus (“reed, cane”). Doublet of culm, haulm, helm (Etymology 4, stalk), qalam, and shawm.
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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.