or good-by noun Etymology: alteration of God be with you Date: circa 1580 a concluding remark or gesture at parting, a taking of leave
GOOD-BYE
Meaning of GOOD-BYE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012