Where does “accidentary” come from?

accidentary (English) comes from English ary, from English e'er, from English ever, from Middle English ever, from Old English ǣfre.

accidentary (English): accidental; occurring by chance; occasional;...

Definitions

  1. accidental; occurring by chance; occasional;...

Ancestry of “accidentary”, step by step

accidentary traces back through two separate lines of ancestry.

via English ary

StepLanguageWordMeaning
1Englisharyany
2Englishe'erContraction of ever
3EnglisheverAlways, frequently, forever; Continuously,...
4Middle Englisheverever
5Old Englishǣfre—

via English accident

StepLanguageWordMeaning
1EnglishaccidentAn unexpected event with negative consequences...
2Middle Englishaccident—
Every word from Old English ǣfre →Every word from Middle English ever →Every word from English ever →