lawsone

noun
law·sone | \ ˈlȯˌsōn \
plural -s

Definition of lawsone 

: a yellow crystalline dye C10H5O2(OH) obtained especially from leaves of Egyptian henna; 2-hydroxy-1,4-naphthoquinone

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History and Etymology for lawsone

laws- (from New Latin Lawsonia) + -one

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