I. noun 1. a plant of a chiefly tropical family that includes love-lies-bleeding.●Family Amaranthaceae: several genera, especially Amaranthus. 2. a purple colour. II. derivatives amaranthine /ˌaməˈranθʌɪn / adjective
– origin mid 16th cent.: from French amarante or modern Latin amaranthus, alteration (on the pattern of plant names ending in -anthus, from Greek anthos ‘flower’) of Latin amarantus, from Greek amarantos ‘not fading’.