Etymograph

English

coapt

Coapt comes from Late Latin coaptō ‘to coapt’, from Latin aptō ‘to fasten’, and ultimately from Proto-Indo-European *h₂ep- ‘to join, fit (in)’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂ep-‘to join, fit (in)’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*h₂ptósreconstructed
  3. Proto-Italicc. 1500–700 BCE*aptosreconstructed
  4. Latinc. 75 BCE–200 CEaptus‘suitable, fitting’
  5. Latin, derivedc. 75 BCE–200 CEaptō‘to fasten’
  6. Late Latinc. 200–600 CEcoaptō‘to coapt’
  7. Englishtodaycoapt

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂ep-‘to join, fit (in)’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*h₂ptósreconstructed
  3. Proto-Italicc. 1500–700 BCE*aptosreconstructed
  4. Latinc. 75 BCE–200 CEaptus‘suitable, fitting’
  5. Latin, derivedc. 75 BCE–200 CEaptō‘to fasten’
  6. Late Latinc. 200–600 CEcoaptō‘to coapt’
  7. Englishtodaycoapt

first attested First attested in 1570 (as stated in the etymology)

The story

First attested in 1570; Late Latin coaptō, from con- + aptō (‘to fasten’).

Linked words

through Proto-Indo-European *h₂ep- ‘to join, fit (in)’

apex, ape, aven, 21 more

through Latin aptus ‘suitable, fitting’

apt, aptitude, attitudinal, 10 more

through Latin aptō ‘to fasten’

attitude, adaptation, adapt, 4 more

Today it means

verb To fit together; often, to fit together and fasten, sometimes with mutual adaptation.

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

Etymograph / Proto-Indo-European *h₂ep- / coapt

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