Etymograph

English

tectum

Tectum comes from Latin tēctum ‘roof’, from tegō ‘to cover’, and ultimately from Proto-Indo-European *(s)teg-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*(s)teg-‘to cover’reconstructed
  2. Proto-Italicc. 1500–700 BCE*tegō‘to cover’reconstructed
  3. Latinc. 75 BCE–200 CEtegō‘to cover’
  4. Latin, derivedc. 75 BCE–200 CEtēctum‘roof’
  5. Englishtodaytectum

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*(s)teg-‘to cover’reconstructed
  2. Proto-Italicc. 1500–700 BCE*tegō‘to cover’reconstructed
  3. Latinc. 75 BCE–200 CEtegō‘to cover’
  4. Latin, derivedc. 75 BCE–200 CEtēctum‘roof’
  5. Englishtodaytectum

Linked words

through Proto-Indo-European *(s)teg- ‘to cover’

tile, thug, sauna, thatch, staccato, toque, 26 more

through Latin tegō ‘to cover’

detective, detection, detect, protégé, toga, 9 more

Today it means

noun The dorsal portion of the midbrain of vertebrates; in mammals, containing the superior colliculus and inferior colliculus

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

Etymograph / Proto-Indo-European *(s)teg- / tectum

Shirt and support for this word