Japanese edit

For pronunciation and definitions of サヨナラ – see the following entry.
さよなら
[interjection] [1770] Alternative form of さようなら (sayōnara, so long; goodbye; farewell)
[noun] [1924] Alternative form of さようなら (sayōnara, farewell; goodbye; parting)
[verb] [circa 1937] to say goodbye, to bid goodbye
(This term, サヨナラ, is the katakana spelling of the above term.)