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addendum (n.)
[addendum 词源字典]
1794, literally "something added," from Latin
addendum
, neuter of
addendus
"that which is to be added," gerundive of
addere
(see
add
(v.)). Classical plural form is
addenda
.
[addendum etymology, addendum origin, 英语词源]
[addendum 词源字典]