zooxanthella (n.)youdaoicibaDictYouDict[zooxanthella 词源字典]
plural zooxanthellae, yellow pigmentary particles found in nature, 1889, from German (Brandt, 1881), from comb. form of Greek zoion "animal" (see zoo-) + xantho- "yellow" (see xantho-) + Latin suffix -ella.[zooxanthella etymology, zooxanthella origin, 英语词源]