Etymograph

English

substratum

Substratum comes from Latin substernō ‘to strew, scatter, spread out or under’, and goes back to Proto-Indo-European *sterh₃-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*sterh₃-1‘to spread, extend, stretch out’root named by Wiktionary
  2. Latinc. 75 BCE–200 CEsubsternō1as substrātus, nominalisation of neuter‘to strew, scatter, spread out or under’
  3. New Latinc. 1500–1900substrātum1
  4. Englishearliest quotation 1847substratum1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English substratum
  2. Earliest quotation in Wiktionary’s entry: 1847, editorial staff, Painting on Glass: “..; in this case it became necessary to employ…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*sterh₃-Wiktionary, English substratum‘to spread, extend, stretch out’root named by Wiktionary
  2. Latinc. 75 BCE–200 CEsubsternōWiktionary, English substratumas substrātus, nominalisation of neuter‘to strew, scatter, spread out or under’
  3. New Latinc. 1500–1900substrātumWiktionary, English substratum
  4. Englishearliest quotation 1847substratumWiktionary, English substratum. Earliest quotation in Wiktionary’s entry: 1847, editorial staff, Painting on Glass: “..; in this case it became necessary to employ…”

Linked words

through Proto-Indo-European *sterh₃- ‘to spread, extend, stretch out’

street, straw, strand, sternum, prostrate, stroma, stratus, 10 more

Today it means

noun A layer that lies underneath another.

Sources

Sources: Wiktionary, “substratum”. 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 / Proto-Indo-European *sterh₃- / substratum

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