Where does “undervaccination” come from?

undervaccination (English) comes from English under, from Middle English under, from Old English under, from Proto-Germanic under, from Proto-Indo-European h₁entér, from Proto-Indo-European h₁en — in; in, inside.

undervaccination (English): inadequate vaccination

Definitions

  1. inadequate vaccination

Ancestry of “undervaccination”, step by step

undervaccination traces back through two separate lines of ancestry.

via English under

StepLanguageWordMeaning
1EnglishunderIn or at a lower level than; As a subject of;...
2Middle Englishunderunder
3Old Englishunderunder, beneath
4Proto-Germanicunderamong, between; under, beneath; under
5Proto-Indo-Europeanh₁entérbetween
6Proto-Indo-Europeanh₁enin; in, inside

via English vaccination

StepLanguageWordMeaning
1EnglishvaccinationInoculation with a vaccine, in order to protect...
2EnglishvacciniaAn infection of cowpox; The virus which causes...
3Latinvaccacow
4Proto-Indo-Europeanwokeh₂-
Every word from Proto-Indo-European h₁enEvery word from Proto-Indo-European h₁entérEvery word from Proto-Germanic under
undervaccination — Etymology, Origin & Word History | Etymology Explorer