What does Boxing Day have to do with boxing?
1570s, from Latin laburnum (Pliny), of unknown origin; perhaps from Etruscan.
any member of the genus (Laburnum) of trees and shrubs having butterfly-like flowers, and belonging to the subfamily Faboideae of the pea family (Fabaceae). The leaves are composed of three leaflets, and the flowers are disposed in hanging clusters (see ). The pods are slender and compressed. Laburnum anagyroides, often called golden chain, is native to southern Europe and is cultivated as an ornamental. The leaves have elongate stalks, and the bright yellow flowers hang in pendulous racemes up to a foot in length