Etymograph

English

perspicil

Perspicil comes from Latin perspiciō ‘to look through’, from Proto-Italic *spekjō ‘to observe, see’, and ultimately from Proto-Indo-European *speḱ-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*speḱ-1‘to see, to look, to observe’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*spéḱyeti2‘to be looking at, to keep looking at’reconstructed
  3. Proto-Italicc. 1500–700 BCE*spekjō2‘to observe, see’reconstructed
  4. Latinc. 75 BCE–200 CEspeciō3‘observe, watch, look at’
  5. Latinc. 75 BCE–200 CEperspiciō4as perspicere‘to look through’
  6. Latinc. 75 BCE–200 CEperspicilla4
  7. Englishearliest quotation a. 1649perspicil4

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Proto-Indo-European *spéḱyeti
  2. 2 Wiktionary, Latin specio
  3. 3 Wiktionary, Latin perspicio
  4. 4 Wiktionary, English perspicil
  5. Earliest quotation in Wiktionary’s entry: a. 1649, Richard Crashaw: “Chronology (Sharp-sighted as the eagle's eye, that can Out-stare…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*speḱ-Wiktionary, Proto-Indo-European *spéḱyeti‘to see, to look, to observe’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*spéḱyetiWiktionary, Latin specio‘to be looking at, to keep looking at’reconstructed
  3. Proto-Italicc. 1500–700 BCE*spekjōWiktionary, Latin specio‘to observe, see’reconstructed
  4. Latinc. 75 BCE–200 CEspeciōWiktionary, Latin perspicio‘observe, watch, look at’
  5. Latinc. 75 BCE–200 CEperspiciōWiktionary, English perspicilas perspicere‘to look through’
  6. Latinc. 75 BCE–200 CEperspicillaWiktionary, English perspicil
  7. Englishearliest quotation a. 1649perspicilWiktionary, English perspicil. Earliest quotation in Wiktionary’s entry: a. 1649, Richard Crashaw: “Chronology (Sharp-sighted as the eagle's eye, that can Out-stare…”

Linked words

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

spy, suspicion, microscope, espionage, skeptic, kaleidoscope, gyroscope, espy, 111 more

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

scope, skeptical, macroscopic, endoscopic, spectroscopic, 109 more

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

speculation, speculative, speculate, inconspicuous, especial, specular, 21 more

through Latin speciō ‘observe, watch, look at’

special, respect, despite, specific, species, aspect, perspective, inspector, spectrum, inspection, expectation, spectacular, spite, spice, spectacle, inspect, specify, specimen, retrospective, spectator, retrospect, conspicuous, expectant, specter, speculator, circumspect, specious, 24 more

Today it means

noun An optical glass; a telescope.

Sources

Sources: Wiktionary, “perspicil”; the older steps come from the Wiktionary entries for Proto-Indo-European *spéḱyeti, Latin specio, Latin perspicio. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

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

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