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]
blue lawsyoudaoicibaDictYouDict
1781, severe Puritanical code said to have been enacted 18c. in New Haven, Connecticut; of uncertain origin, perhaps from one of the ground senses behind blues, or from notion of coldness. Or perhaps connected to bluestocking in the sense of "puritanically plain or mean" (see bluestocking, which is a different application of the same term; the parliament of 1653 was derisively called the bluestocking parliament). The common explanation that they were written on blue paper is not considered valid; pale blue paper was used for many old U.S. legal documents and there would have been nothing notable about its use in this case.
harebellyoudaoicibaDictYouDict
"A widely distributed bellflower with slender stems and pale blue flowers in late summer", Middle English: probably so named because it is found growing in places frequented by hares.
allophaneyoudaoicibaDictYouDict
"An amorphous clay mineral, typically pale blue, consisting essentially of hydrated aluminium silicate", Early 19th cent.; earliest use found in Annals of Philosophy. From allo- + -phane, after German Allophan, itself apparently after Byzantine Greek ἀλλοϕανής, the mineral being so named on account of its unusual appearance.
kalsomineyoudaoicibaDictYouDict
"A kind of white or pale blue wash for walls and ceilings", Mid 19th century: of unknown origin.