Good-by
Pronunciation : Good`-by", Good`-bye"
Part of Speech : n.
Etymology : [A contraction of God be with ye (God be w? ye, God bw' ye, God bwye).]
Definition : Defn: Farewell; a form of address used at parting. See the last Note under By, prep. Shak.
or interj.
Source : Webster's Unabridged Dictionary, 1913