albumen (n.)youdaoicibaDictYouDict[albumen 词源字典]
1590s, "white of an egg," from Latin albumen "white of an egg," literally "whiteness," from albus "white" (see alb). The organic substance (which exists nearly pure in egg whites) so called from 1800, also known as albumin (1869, from French albumine).[albumen etymology, albumen origin, 英语词源]