zoster (n.)youdaoicibaDictYouDict[zoster 词源字典]
kind of seaweed, c. 1600, Latin, from Greek zoster "girdle," originally "warrior's belt," from zonnynai (see zone (n.)). Meaning "shingles" is from 1706; in the literal sense, "a belt or girdle, especially for men," from 1824.[zoster etymology, zoster origin, 英语词源]