bice (n.)youdaoicibaDictYouDict[bice 词源字典]
"pale blue color," early 15c., shortened from blew bis "blue bice," from French bis "swarthy, brownish-gray" (12c.), cognate with Italian bigio; of unknown origin. Via French combinations azur bis, vert bis the word came into English with a sense of "blue" or "green."[bice etymology, bice origin, 英语词源]