Etymograph

English

taction

Taction comes from Latin tactio ‘touching’, from tactus ‘sense of feeling’, and ultimately from Proto-Indo-European *teh₂g- ‘to touch’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*teh₂g-1‘to touch’reconstructed
  2. Proto-Italicc. 1500–700 BCE*tangō1‘to touch’reconstructed
  3. Latinc. 75 BCE–200 CEtangō2as tangere‘to touch, feel’
  4. Latinc. 75 BCE–200 CEtactus2‘sense of feeling’
  5. Latinc. 75 BCE–200 CEtactio2‘touching’
  6. Englishearliest quotation 1726taction2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin tango
  2. 2 Wiktionary, English taction
  3. Earliest quotation in Wiktionary’s entry: 1726, Jonathan Swift, The Humours and Dispositions of the Laputians Described. […]: “It ſeems, the Minds of theſe People are ſo…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*teh₂g-Wiktionary, Latin tango‘to touch’reconstructed
  2. Proto-Italicc. 1500–700 BCE*tangōWiktionary, Latin tango‘to touch’reconstructed
  3. Latinc. 75 BCE–200 CEtangōWiktionary, English tactionas tangere‘to touch, feel’
  4. Latinc. 75 BCE–200 CEtactusWiktionary, English taction‘sense of feeling’
  5. Latinc. 75 BCE–200 CEtactioWiktionary, English taction‘touching’
  6. Englishearliest quotation 1726tactionWiktionary, English taction. Earliest quotation in Wiktionary’s entry: 1726, Jonathan Swift, The Humours and Dispositions of the Laputians Described. […]: “It ſeems, the Minds of theſe People are ſo…”

The story

Latin tactio (‘touching’), from perfect passive participle tactus (‘sense of feeling’), from tangere (‘to touch, feel’) + action suffix -io; see tact and -ion.

Full etymology on Wiktionary

Linked words

through Proto-Indo-European *teh₂g- ‘to touch’

taste, integrity, integrate, attain, taxis, taxonomy, tama, contaminate, talon, contagion, ataxia, talus, thwack, 30 more

through Proto-Italic *tangō ‘to touch’

intangible, 9 more

through Latin tangō ‘to touch, feel’

contact, tangible, contingent, tame, tangent, contiguous, 10 more

through Latin tactus ‘sense of feeling’

intact, 3 more

Today it means

noun The act of touching; touch; contact.

Sources

Sources: Wiktionary, “taction”; the older steps come from the Wiktionary entry for Latin tango. 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 *teh₂g- / taction