/ ˈmɒrəʊ; NAmE ˈmɑːroʊ; ˈmɔːr-/ noun
the morrow [ sing. ] ( old-fashioned , literary ) the next day; tomorrow :
We had to leave on the morrow .
Who knows what the morrow (= the future) will bring?
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WORD ORIGIN
Middle English morwe , from Old English morgen , of Germanic origin.