espalier (n.)youdaoicibaDictYouDict[espalier 词源字典]
fan-shaped trellis for ornamental or fruit trees, 1660s, from French espalier (16c.), from Italian spalliera "stake-works shoulder-high," from spalla "shoulder," from Latin spatula (see spatula).[espalier etymology, espalier origin, 英语词源]