Etymograph

English

spinous

Spinous comes from Latin spinōsus ‘thorny, prickly’, and goes back to Proto-Indo-European *spey- ‘long, thin, sharp’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*spey-‘long, thin, sharp’reconstructed
  2. Proto-Italicc. 1500–700 BCE*speinā‘thorn’reconstructed
  3. Latinc. 75 BCE–200 CEspīna‘thorn’
  4. Latin, derivedc. 75 BCE–200 CEspinōsus‘thorny, prickly’
  5. Englishearliest quotation 1824spinous

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*spey-‘long, thin, sharp’reconstructed
  2. Proto-Italicc. 1500–700 BCE*speinā‘thorn’reconstructed
  3. Latinc. 75 BCE–200 CEspīna‘thorn’
  4. Latin, derivedc. 75 BCE–200 CEspinōsus‘thorny, prickly’
  5. Englishearliest quotation 1824spinous

Earliest quotation: 1824, Oliver Goldsmith, A History of the Earth: “The cetaceous tribes have their bones entirely resembling those…”

Formed from spine + -ous

Proto-Indo-European *spey- ‘sharp point’

Proto-Italic *speinā ‘thorn’

Latin spīna ‘thorn’

Old French espine

Middle English spyne ‘a spine’

English spine

Linked words

through Proto-Indo-European *spey- ‘long, thin, sharp’

spike, spinach, asp, spire, cusp, spigot, spica, aspic, 26 more

through Proto-Italic *speinā ‘thorn’

buckthorn, spinel, 10 more

through Latin spīna ‘thorn’

spine, spinal, spina, 12 more

Today it means

adj Having many spines.

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

Etymograph / Proto-Indo-European *spey- / spinous