IPA: //ˈkærəˌtiːn//
KK: /kæroʊtɪn/
A type of pigment found in plants that is responsible for the orange and yellow colors in many fruits and vegetables, and is a precursor to vitamin A.
Carotin is found in carrots, giving them their bright orange color.
Carotin is derived from the word 'carrot' (from French 'carotte', which comes from Latin 'carota', meaning carrot). The suffix '-in' is used in chemistry to denote substances. Therefore, carotin refers to a substance derived from carrots.
Think of 'carrot' as the source of 'carotin', which is a substance found in carrots.