Main Entry: in·di·go

Pronunciation: \ˈin-di-ˌgō\

Function: noun

Inflected Form(s): plural in·di·gos or in·di·goes

Etymology: Italian dial., from Latin indicum, from Greek indikon, from neuter of indikos Indic, from Indos India

Date: 1555

1 a : a blue vat dye obtained from plants (as indigo plants) b : the principal coloring matter C₁₆H₁₀N₂O₂ of natural indigo usually synthesized as a blue powder with a coppery luster
2 : indigo plant
3 : a deep reddish blue