Where does “antitheticality” come from?

antitheticality (English) comes from English antithetical, from Latin -al — noun-forming suffix.

antitheticality (English): The quality of being antithetical

Definitions

  1. The quality of being antithetical

Ancestry of “antitheticality”, step by step

antitheticality traces back through two separate lines of ancestry.

via English antithetical

StepLanguageWordMeaning
1EnglishantitheticalPertaining to antithesis, or opposition of words...
2Latin-alnoun-forming suffix

via English ity

StepLanguageWordMeaning
1Englishity—
2Ingrian-uUsed to form nouns from verbs
Every word from Latin -al →