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impermeable (adj.)
[impermeable 词源字典]
1690s, from French
imperméable
, from Late Latin
impermeabilis
, from assimilated form of
in-
"not, opposite of" (see
in-
(1)) +
permeabilis
(see
permeable
).
[impermeable etymology, impermeable origin, 英语词源]
[impermeable 词源字典]