Where does “subjunctivity” come from?

subjunctivity (English) comes from English subjunctive, from Latin subjunctīvus, from Latin -īvus, from Proto-Indo-European -iHwós, from Proto-Indo-European -wós — Creates adjectives from verb stems.

subjunctivity (English): The property of being in the subjunctive mood;...

Definitions

  1. The property of being in the subjunctive mood;...

Ancestry of “subjunctivity”, step by step

subjunctivity traces back through two separate lines of ancestry.

via English subjunctive

StepLanguageWordMeaning
1EnglishsubjunctiveInflected to indicate that an act or state of...
2Latinsubjunctīvus
3Latin-īvusAdjective suffix
4Proto-Indo-European-iHwós
5Proto-Indo-European-wósCreates adjectives from verb stems

via English ity

StepLanguageWordMeaning
1Englishity
2Ingrian-uUsed to form nouns from verbs
Every word from Proto-Indo-European -wósEvery word from Latin -īvusEvery word from Latin subjunctīvus