Naming the Rainbow: Indicum / Indigo

By Matthew C. Pace

Jun 4 2022

Indigo, the dark bluish-purple color of blue jeans, is a natural dye obtained from the genus Indigofera. The word "indigo" comes from the Latin word indicum, meaning "of India", as the dye was originally found only in India; hence indigo means ‘the color of India’.

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