Where does “substructum” come from?

substructum (Latin) comes from Latin sub, from Proto-Italic supo, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

substructum (Latin): accusative supine of substruō; to build beneath

Definitions

  1. accusative supine of substruō; to build beneath

Ancestry of “substructum”, step by step

substructum traces back through two separate lines of ancestry.

via Latin sub

StepLanguageWordMeaning
1Latinsubunder, beneath; behind; at the feet of
2Proto-Italicsupounder
3Proto-Indo-Europeanupóunder, below
4Proto-Indo-Europeanh₃ewp-

via Latin struere

StepLanguageWordMeaning
1Latinstrueresecond-person singular future passive indicative...
Every word from Proto-Indo-European h₃ewp-Every word from Proto-Indo-European upóEvery word from Proto-Italic supo
substructum — Etymology, Origin & Word History | Etymology Explorer