baize (n.)youdaoicibaDictYouDict[baize 词源字典]
coarse woolen fabric, 1570s, bayse, from French baies, fem. plural of adjective bai "bay-colored," from Latin badius "chestnut-colored" (see bay (n.4)). Thus probably so called for its original color. French plural taken as a singular in English.[baize etymology, baize origin, 英语词源]