Where does “hyporeactive” come from?

hyporeactive (English) comes from English reactive, 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.

hyporeactive (English): Having or showing abnormally low sensitivity to...

Definitions

  1. Having or showing abnormally low sensitivity to...

Ancestry of “hyporeactive”, step by step

StepLanguageWordMeaning
1Englishreactivethat reacts or responds to a stimulus; that...
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
Every word from Proto-Indo-European -wósEvery word from Latin -īvusEvery word from English -ive