- osier (n.)
[osier 词源字典]
- species of willow used in basket-work, c. 1300, from Old French osier "willow twig" (13c.) and directly from Medieval Latin osera "willow," ausaria "willow bed," of unknown origin, perhaps from Gaulish. Old English had the word as oser, from Medieval Latin.[osier etymology, osier origin, 英语词源]