Where does “underarch” come from?

underarch (English) comes from English arch, from English architecture, from French architecture, from Latin architectūra, from Latin architectus, from Ancient Greek ἀρχιτέκτων, from Ancient Greek τέκτων, from Proto-Hellenic téktōn — to sire, beget.

underarch (English): To form an arch beneath

Definitions

  1. To form an arch beneath

Ancestry of “underarch”, step by step

underarch traces back through two separate lines of ancestry.

via English arch

StepLanguageWordMeaning
1EnglisharchAn inverted U shape; An arch-shaped arrangement...
2EnglisharchitectureThe art and science of designing and managing the...
3Frencharchitecturearchitecture
4Latinarchitectūraarchitecture
5Latinarchitectusarchitect, master builder; designer, inventor,...
6Ancient Greekἀρχιτέκτωνchief constructor, master builder, architect
7Ancient Greekτέκτωνone who works with wood: carpenter, builder; any...
8Proto-Hellenictéktōn
9Proto-Indo-Europeantetḱōcarpenter
10Proto-Indo-Europeantetḱ-to create, produce; to cut, hew
11Proto-Indo-Europeanteḱ-to sire, beget

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
Every word from Proto-Indo-European teḱ-Every word from Proto-Indo-European tetḱ-Every word from Proto-Indo-European tetḱō