Where does “underflooring” come from?

underflooring (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.

underflooring (English): A layer of flooring underneath the top layer or...

Definitions

  1. A layer of flooring underneath the top layer or...

Ancestry of “underflooring”, step by step

underflooring 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 flooring

StepLanguageWordMeaning
1EnglishflooringA floor; A material used to make floors; The act...
2Middle Englishfloringmaking a floor; the floor of a room, building, or...
Every word from Proto-Indo-European h₁en →Every word from Proto-Indo-European h₁entér →Every word from Proto-Germanic under →