Etymograph

English

tentorium

Tentorium comes from Latin tentorium ‘tent’, from tendō ‘to stretch out, to spread out’, and ultimately from Proto-Indo-European *téndeti.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*téndetireconstructed
  2. Proto-Italicc. 1500–700 BCE*tendō‘to stretch’reconstructed
  3. Latinc. 75 BCE–200 CEtendō‘to stretch out, to spread out’
  4. Latin, derivedc. 75 BCE–200 CEtentorium‘tent’
  5. Englishearliest quotation 1906same form

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*téndetireconstructed
  2. Proto-Italicc. 1500–700 BCE*tendō‘to stretch’reconstructed
  3. Latinc. 75 BCE–200 CEtendō‘to stretch out, to spread out’
  4. Latin, derivedc. 75 BCE–200 CEtentorium‘tent’
  5. Englishearliest quotation 1906same form

Earliest quotation: 1906, Milett T. Thompson: “In the female of Culex the tentoria arise in…”

Linked words

through Proto-Italic *tendō ‘to stretch’

pretend, extend, attendance, tender, intend, intentional, hypertension, contend, pretense, hypotension, pretension, inattention, entendre, portend, 26 more

through Latin tendō ‘to stretch out, to spread out’

attention, extensive, extension, tend, extent, tension, intention, tense, contention, tempt, tensile, tensor, extensible, entente, détente, portent, detent, 42 more

Today it means

noun The framework of internal supports (a false endoskeleton) within an arthropod head, formed by ingrowths of the exoskeleton called apophyses.

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

Etymograph / Proto-Indo-European *téndeti / tentorium