Meaning

noun a colorless oily compound extracted from coal tar and used in manufacturing synthetic resins

originEtymology tree Old Tupi kumarubor. French coumarou Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnus French -in Proto-Indo-European *-h₂ Proto-Indo-European *-eh₂ Proto-Italic *-ā Latin -am Old French -e French -e French -ine French coumarinebor. German Ketonbor. English ketone English -one English coumarone From French coumarine + English -one.

Etymology from Wiktionary, CC BY-SA 3.0