Etymograph

English

substruction

Substruction comes from Latin substructio ‘foundation’, and goes back to substruere ‘to build beneath’.

  1. Latinc. 75 BCE–200 CEsubstruere1‘to build beneath’
  2. Latinc. 75 BCE–200 CEsubstructio1‘foundation’
  3. Englishearliest quotation 1644substruction1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English substruction
  2. Earliest quotation in Wiktionary’s entry: 1644, [Diary entry for 8 November 1644]: “It is a magnificent strong building, with a substruction…”.

Lineage

  1. Latinc. 75 BCE–200 CEsubstruereWiktionary, English substruction‘to build beneath’
  2. Latinc. 75 BCE–200 CEsubstructioWiktionary, English substruction‘foundation’
  3. Englishearliest quotation 1644substructionWiktionary, English substruction. Earliest quotation in Wiktionary’s entry: 1644, [Diary entry for 8 November 1644]: “It is a magnificent strong building, with a substruction…”

A compound of sub ‘under’ + struere ‘to build’

Proto-Indo-European *upó ‘up; from below’

Proto-Italic *supo ‘under’

Latin sub ‘under’

Proto-Indo-European *strew- ‘to strew, to spread out’

Proto-Indo-European *stréweti

Proto-Italic *strowō ‘to pile up’

Latin struō ‘to build’

Today it means

noun underbuilding; substructure

Sources

Sources: Wiktionary, “substruction”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Latin substruere / substruction