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libretto (n.)
[libretto 词源字典]
(plural
libretti
), 1742, from Italian
libretto
, diminutive of
libro
"book," from Latin
liber
(genitive
libri
), see
library
. Related:
Librettist
.
[libretto etymology, libretto origin, 英语词源]
[libretto 词源字典]