English

fluorocoumarin

From fluoro- + coumarin.

Latin fluō ‘to flow, stream, pour’

Latin fluor ‘flow’

Old Tupi kumaru ‘coumarou’

French coumarou

French coumarine

Today it means

noun Any fluoro derivative of a coumarin

Language periods are conventional ranges, not dates for this word.

Etymograph / fluorocoumarin