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derma (n.)
[derma 词源字典]
"skin beneath the epidermis," 1706, from Modern Latin
derma
, from Greek
derma
(genitive
dermatos
) "skin," from PIE root
*der-
(2) "to split, peel, flay" (see
tear
(v.1)).
[derma etymology, derma origin, 英语词源]