Where does “underimmunize” come from?

underimmunize (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.

underimmunize (English): To provide with inadequate immunization

Definitions

  1. To provide with inadequate immunization

Ancestry of “underimmunize”, step by step

underimmunize 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 immunize

StepLanguageWordMeaning
1EnglishimmunizeTo make someone or something immune to something;...
2Frenchimmuniserto immunize/immunise
Every word from Proto-Indo-European h₁en →Every word from Proto-Indo-European h₁entér →Every word from Proto-Germanic under →