Where does “nonreactivity” come from?

nonreactivity (English) comes from English reactivity, from English -ity, from Middle English -ite, from Old French -ité, from Latin -itās, from Proto-Indo-European -teh₂ts, from Proto-Indo-European -teh₂, from Proto-Indo-European -tós — Creates verbal adjectives from verb stems.

nonreactivity (English): Lack of reactivity; the quality of being...

Definitions

  1. Lack of reactivity; the quality of being...

Ancestry of “nonreactivity”, step by step

nonreactivity traces back through two separate lines of ancestry.

via English reactivity

StepLanguageWordMeaning
1Englishreactivityresponsiveness to stimulation; relative...
2English-ityUsed to form a noun from an adjective;...
3Middle English-ite
4Old French-ité-ity
5Latin-itās
6Proto-Indo-European-teh₂tsUsed to form nouns representing state of being
7Proto-Indo-European-teh₂Used to form nouns representing state of being
8Proto-Indo-European-tósCreates verbal adjectives from verb stems

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European -tósEvery word from English -ityEvery word from Latin -itās