Etymology of the English word indigo
the English word indigo
derived from the Spanish word indico
derived from the Latin word indicere (declare publicly; proclaim, announce)
derived from the Latin word dicere (to say, to speak; name, call; appoint; say, declare, state; talk, speak; make speech)
derived from the Proto-Indo-European root *deik- (to show, to pronounce solemnly; to throw)
derived from the Greek word Indikos
derived from the Latin word cere
derived from the Latin word facere (to make; act, take action, be active; compose, write; classify; do, make; create; make, build, construct; produce; produce by growth; bring forth)
derived from the Proto-Indo-European root *dhē-
using the Latin prefix sub-
derived from the French word interdir
derived from the Dutch word indigo