tardigrade的词源

英文词源

tardigrade (adj.)youdaoicibaDictYouDict
1620s, "slow-going, slow-moving," from French tardigrade (17c.), from Latin tardigradus "slow-paced," from tardus "slow" (see tardy) + gradi "to walk, go, step" (see grade (n.)).

中文词源

tardigrade:缓步类的,行动缓慢的;缓步类动物

词根tard- / tardi- 表示“迟缓的”,如retard(妨碍、延迟)和tardy(迟缓的);词根grad-表to walk,所以tardigrade字面意思为“slow-walker”,如水熊虫。但是袋鼠不是行走而是跳跃前进了,它们叫saltigrade ['sæltəˌgreɪd] adj.跳行的,词根salt-表to jump,如saltant ['sæltənt] adj.跳跃的,n.突变型。

该词的英语词源请访问找单词词源英文版:tardigrade 词源,tardigrade 含义。

tardigrade:缓足动物

来自拉丁语 tardus,缓慢的,-grade,走,词源同 grade,gradual.