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tricuspid (n.)
[tricuspid 词源字典]
1660s, from Latin
tricuspidem
(nominative
tricuspis
) "three-pointed," from
tri-
(see
tri-
) +
cuspis
"point" (see
cusp
).
[tricuspid etymology, tricuspid origin, 英语词源]
[tricuspid 词源字典]