Etymograph

English

speculate

Speculate comes from Latin speculātus ‘having watched, having observed’, from Proto-Indo-European *spéḱyeti ‘to be looking at, to keep looking at’, and ultimately from *speḱ- ‘to see, to look, to observe’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*speḱ-‘to see, to look, to observe’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*spéḱyeti‘to be looking at, to keep looking at’reconstructed
  3. Proto-Italicc. 1500–700 BCE*spekjō‘to observe, see’reconstructed
  4. Old Latinc. 700–75 BCEspeciō
  5. Latinc. 75 BCE–200 CEspecula‘a watchtower’
  6. Latin, derivedc. 75 BCE–200 CEspeculor‘to watch, observe, examine, spy’
  7. Latin, derivedc. 75 BCE–200 CEspeculātus‘having watched, having observed’perfect active participle of speculor
  8. Englishearliest quotation 1850speculate

attested reconstructed ? uncertain or disputed deepest recorded ancestor

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*speḱ-‘to see, to look, to observe’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*spéḱyeti‘to be looking at, to keep looking at’reconstructed
  3. Proto-Italicc. 1500–700 BCE*spekjō‘to observe, see’reconstructed
  4. Old Latinc. 700–75 BCEspeciō
  5. Latinc. 75 BCE–200 CEspecula‘a watchtower’
  6. Latin, derivedc. 75 BCE–200 CEspeculor‘to watch, observe, examine, spy’
  7. Latin, derivedc. 75 BCE–200 CEspeculātus‘having watched, having observed’perfect active participle of speculor
  8. Englishearliest quotation 1850speculate

Earliest quotation: 1850, Nathaniel Hawthorne, Boston: “It is remarkable that persons who speculate the most…”

Linked words

through Proto-Indo-European *speḱ- ‘to see, to look, to observe’

spy, suspicion, microscope, espionage, skeptic, kaleidoscope, gyroscope, espy, 117 more

through Proto-Indo-European *spéḱyeti ‘to be looking at, to keep looking at’

scope, skeptical, endoscopic, macroscopic, inconspicuous, spectroscopic, especial, 115 more

through Proto-Italic *spekjō ‘to observe, see’

special, despite, specific, respect, species, perspective, aspect, inspector, spectrum, spice, inspection, spite, expectation, specify, spectacular, specimen, spectacle, retrospective, inspect, conspicuous, spectator, retrospect, expectant, specter, specious, circumspect, 29 more

Today it means

verb To think, meditate or reflect on a subject; to consider, to deliberate or cogitate.

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

Etymograph / Proto-Indo-European *speḱ- / speculate

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