Graff of the day : SAYONARA (Interjection, Noun: Farewell, Good-bye)

It is the last day of 2020, making this Japanese word most fitting to use as the GWOTD.

Dictionary.com cites

WHAT IS THE ORIGIN OF SAYONARA?

Sayonara comes from Japanese sayōnara, a shortening of sayōnaraba, which means literally “if it be so (that the time for parting has come).” Sayonara consists of sayō “thus” and naraba “if it be.” Sayonara entered English in the second half of the 19th century.