Etymograph

English

perspicable

Perspicable comes from Latin perspiciō ‘to see through something’, from speciō ‘observe, watch, look at’, 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 see through something’
  6. Latinc. 75 BCE–200 CEperspicabilis4
  7. Englishearliest quotation 1634perspicable4

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 perspicable
  5. Earliest quotation in Wiktionary’s entry: 1634, Thomas Herbert, A Relation of Some Yeares Trauaile: “I fancied that I saw the Fire and a…”.

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 perspicableas perspicere‘to see through something’
  6. Latinc. 75 BCE–200 CEperspicabilisWiktionary, English perspicable
  7. Englishearliest quotation 1634perspicableWiktionary, English perspicable. Earliest quotation in Wiktionary’s entry: 1634, Thomas Herbert, A Relation of Some Yeares Trauaile: “I fancied that I saw the Fire and a…”

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, especial, inconspicuous, specular, 21 more

through Latin speciō ‘observe, watch, look at’

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

Today it means

adj discernible

Sources

Sources: Wiktionary, “perspicable”; 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- / perspicable

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