One of the mysteries of the English language finally explained.
As part of a customary expression of good wishes on meeting or (less commonly) parting during the morning. Originally in "God give you (a) good morrow"; later chiefly in "to bid (also wish) (a person) a good morrow", and (as an address) "a good morrow to you".
Late Middle English; earliest use found in William Langland (c1325–c1390), poet. From good + morrow.
good morrow/(ˌ)ɡʊd ˈmɒrəʊ/
In this article we explore how to impress employers with a spot-on CV.