Where does “underbody” come from?

underbody (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.

underbody (English): The underparts of a bird or animal; The underside...

Definitions

  1. The underparts of a bird or animal; The underside...

Ancestry of “underbody”, step by step

underbody 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 Body

StepLanguageWordMeaning
1EnglishBodyCorpus Christi College, Cambridge
2Middle Englishbodemessenger
3Old Englishbodamessenger, envoy, herald, apostle, angel; prophet
4Proto-Germanicbudômessenger
5Proto-Germanicbeudanąto offer, to bid
6Proto-Indo-Europeanbʰewdʰ-to be awake, be aware
Every word from Proto-Indo-European h₁en
underbody — Etymology, Origin & Word History | Etymology Explorer