branyoudaoicibaDictYouDict[bran 词源字典]
bran: [13] English borrowed bran from Old French bran, but its ultimate source is unclear. Modern French bran means ‘excrement’, and if this had always been a part of the word’s makeup it might have been possible to suggest a Celtic origin, perhaps a Gaulish *brenno- (Welsh braen and Irish brean both mean ‘manure’), but English bran appears never to have meant anything but ‘cereal husks’. It may ultimately be connected with burn.
=> burn[bran etymology, bran origin, 英语词源]
bran (n.)youdaoicibaDictYouDict
c. 1300, "the husk of wheat, barley, etc., separated from the flour after grinding," from Old French bren "bran, scurf, scales, feces" (12c., Modern French bran), perhaps connected with Gaulish *brenno- "manure," or with burn (v.). The word also was used 16c. in English for "dandruff flakes."