Where does “expansivity” come from?

expansivity (English) comes from English expansive, from English -ive, from Middle English -yf, from Old French -if, from Latin -īvus, from Proto-Indo-European -iHwós, from Proto-Indo-European -wós — Creates adjectives from verb stems.

expansivity (English): expansiveness; The formal notion of points moving...

Definitions

  1. expansiveness; The formal notion of points moving...

Ancestry of “expansivity”, step by step

expansivity traces back through two separate lines of ancestry.

via English expansive

StepLanguageWordMeaning
1EnglishexpansiveComprehensive in scope or extent; Talkative and...
2English-iveAn adjective suffix signifying relating or...
3Middle English-yfA suffix designating adjectives, adverbs and...
4Old French-if-ive
5Latin-īvusAdjective suffix
6Proto-Indo-European-iHwós
7Proto-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 English -ive