- clitellum (n.)
[clitellum 词源字典]
- "raised band around an earthworm," 1816, Modern Latin, from Latin clitellae "a pack-saddle," diminutive of *clitra "litter," from PIE *klei-tro-, from root *klei- (see lean (v.)). Related: Clitellar.[clitellum etymology, clitellum origin, 英语词源]