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nematocyst (n.)
[nematocyst 词源字典]
1875, from
nemato-
, comb. form of Greek
nema
,
nematos
"thread" (genitive
nematos
), from stem of
nein
"to spin" (see
needle
(n.)) +
cyst
.
[nematocyst etymology, nematocyst origin, 英语词源]