Where does “mishap” come from?

Mishap comes from Middle English mis- combined with hap, tracing through Proto-Indo-European roots expressing exchange and change of position or condition.

mishap (English): An accident, mistake, or problem; Evil accident;...

Definitions

  1. An accident, mistake, or problem; Evil accident;...

Ancestry of “mishap”, step by step

mishap traces back through two separate lines of ancestry.

via English mishappen

StepLanguageWordMeaning
1EnglishmishappenTo encounter grief or misfortune; To happen...
2EnglishhappenTo occur or take place; To happen to; to befall;...
3Middle Englishhappento come to pass, happen; fortunate, happy
4Old Englishhæppanto move accidentally, slip
5Old Norsehappa
6Proto-Germanichampijanąto fit in, be fitting; to occur, happen
7Proto-Germanic-janąDerives denominatives from nouns and factitives...
8Proto-Indo-European-yétiCreates intransitive, often deponent,...
9Proto-Indo-Europeanyé-
10Chichewaiyehe, she

via English hap

StepLanguageWordMeaning
1EnglishhapHappenings; events; goings-on; That which...
2Englishhappeningpresent participle of happen; Busy, lively;...
3Middle Englishhappenyng
Every word from Chichewa iyeEvery word from Proto-Germanic -janąEvery word from Proto-Indo-European -yéti