/ ˌkɒtʃɪˈniːl; NAmE ˈkɑːtʃəniːl/ noun
[ U ] a bright red substance used to give colour to food
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WORD ORIGIN
late 16th cent.: from French cochenille or Spanish cochinilla , from Latin coccinus scarlet, from Greek kokkos berry (the insect bodies were mistaken for grains or berries).