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-‘to spread, extend, stretch out’root as named
  2. Latinc. 75 BCE–200 CEsubsternōas substrātus, nominalisation of neuter‘to strew, scatter, spread out or under’
  3. New Latinc. 1500–1900substrātum
  4. Englishearliest quotation 1847substratum

attested reconstructed ? uncertain or disputed

Lineage

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

Earliest quotation: 1847, editorial staff, Painting on Glass: “..; in this case it became necessary to employ…”

Equivalent to sub- + stratum

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

Proto-Italic *supo ‘under’

Latin sub ‘under, beneath, below’

English sub-

Proto-Indo-European *sterh₃- ‘to spread’

Proto-Indo-European *str̥néh₃ti ‘to strew’

Proto-Italic *stornō

Latin sternō ‘spread’

Latin strātum ‘a spread for a bed, coverlet, quilt, blanket’

English stratum

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.

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *sterh₃- / substratum