Where does “occasionality” come from?

occasionality (English) comes from English occasional, from Middle English occasyonal.

occasionality (English): The quality of being occasional

Definitions

  1. The quality of being occasional

Ancestry of “occasionality”, step by step

occasionality traces back through two separate lines of ancestry.

via English occasional

StepLanguageWordMeaning
1EnglishoccasionalOccurring or appearing irregularly from time to...
2Middle Englishoccasyonal—

via English ity

StepLanguageWordMeaning
1Englishity—
2Ingrian-uUsed to form nouns from verbs
Every word from Middle English occasyonal →Every word from English occasional →