botony (n.)youdaoicibaDictYouDict[botony 词源字典]
1570s, in heraldry, from Old French botoné (Modern French boutonné) "covered with buds," past participle of boutonner "to bud," from bouton "bud, button," 12c., from Frankish or some other Germanic source.[botony etymology, botony origin, 英语词源]