Where does “unholiday” come from?

unholiday (English) comes from English Holiday, from Middle English halyday, from Old English hāliġdæġ — holy day, Sabbath.

unholiday (English): A day or period of time which is not a holiday,...

Definitions

  1. A day or period of time which is not a holiday,...

Ancestry of “unholiday”, step by step

unholiday traces back through two separate lines of ancestry.

via English Holiday

StepLanguageWordMeaning
1EnglishHolidayThe holiday season or Christmas season, especially when paired with a year
2Middle EnglishhalydayA religious holiday or celebration
3Old Englishhāliġdæġholy day, Sabbath

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Old English hāliġdæġ →Every word from Middle English halyday →Every word from English Holiday →