floret (n.)youdaoicibaDictYouDict[floret 词源字典]
c. 1400, flourette, "a little flower, a bud," from Old French florete "little flower," also the name of a cheap silk material, diminutive of flor "flower, blossom" (see flower (n.)). Botany sense "small flower in a cluster" is from 1670s.[floret etymology, floret origin, 英语词源]