coumarin
UK[ˈkuːmərɪn]US[ˈkuːmərɪn]
n
a fragrant crystalline compound found in many plants, used in perfumes and to prevent moth damage.
n
a chemical derivative of this compound, some of which are used as anticoagulant drugs.
Morpheme Breakdown
coumar
in
coumar
plant name
in
chemical suffix
Etymology
the word coumarin traces its lineage to the new world, entering european languages via the tupi-guarani word "cumarú" for the tonka bean tree. french adopted it as "coumarou" to name the tree and its fragrant seeds. in the 19th century, chemists isolating the aromatic principle from these beans formed the modern term by appending the scientific suffix "-in", commonly used to denote neutral chemical substances. thus, the name directly links the compound to its original botanical source, preserving a journey from indigenous nomenclature to precise laboratory terminology.
Analysis
Structure: coumar (plant name) + in (chemical suffix)
coumar (from french "coumarou", from tupi-guarani "cumarú", the tonka bean tree); in (a suffix of latin origin used in chemistry to form names of substances, such as proteins, alkaloids, and other compounds).
Examples
the sweet scent of new-mown hay is partly due to the presence of coumarin.
coumarin is used as a fixative in some perfumes and flavorings.
some derivatives of coumarin, like warfarin, are important anticoagulant medications.