"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."
实用例句
1. Far as the eye extends, all are becoming golden from bice in the prostemmatic cornfield.