Where does “yestermorrow” come from?

yestermorrow (English) comes from English tomorrow, from Middle English tomorwe, from Old English tō morgne — tomorrow.

yestermorrow (English): A day in the sequence of days from past to future, emphasizing the connection between past and future events

Definitions

  1. A day in the sequence of days from past to future, emphasizing the connection between past and future events

Ancestry of “yestermorrow”, step by step

yestermorrow traces back through two separate lines of ancestry.

via English tomorrow

StepLanguageWordMeaning
1EnglishtomorrowOn the day after the present day; At some point...
2Middle EnglishtomorweOn the day after today; tomorrow; Sometime in the...
3Old Englishtō morgnetomorrow

via English yesterday

StepLanguageWordMeaning
1EnglishyesterdayThe day immediately before today; one day ago;...
2Middle EnglishyesterdayOn the preceding day; At another preceding point...
3Old Englishġiestrandæġyesterday
Every word from Old English tō morgneEvery word from Middle English tomorweEvery word from English tomorrow