Etymograph

English

klendusity

Klendusity comes from Ancient Greek κλειδόω ‘I lock up’, from κλείς ‘a catch or hook passed through the door from…’, and ultimately from Proto-Indo-European *kleh₂u- ‘nail’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*kleh₂u-‘nail’reconstructed
  2. Proto-Hellenicc. 2200–1600 BCE*klāwī́dsreconstructed
  3. Ancient Greekc. 800–300 BCEκλείς‘a catch or hook passed through the door from the outside to catch the strap attached to…’
  4. Ancient Greek, derivedc. 800–300 BCEκλειδόωkleidóō‘I lock up’
  5. Englishtodayklendusity

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*kleh₂u-‘nail’reconstructed
  2. Proto-Hellenicc. 2200–1600 BCE*klāwī́dsreconstructed
  3. Ancient Greekc. 800–300 BCEκλείς‘a catch or hook passed through the door from the outside to catch the strap attached to…’
  4. Ancient Greek, derivedc. 800–300 BCEκλειδόωkleidóō‘I lock up’
  5. Englishtodayklendusity

The story

From Ancient Greek κλειδόω (kleidóō, “I lock up”) (see κλείς) + ἔνδυσις (éndusis, “entry”) (see ἐνδύω) + -ity, because the route of entry for pathogens is supposed to be locked up. The word is a clumsy coinage; a more systematic approach would have involved cleido-.

Linked words

through Proto-Indo-European *kleh₂u- ‘nail’

conclusion, enclosure, enclave, clavicle, clef, clave, 8 more

Today it means

noun Resistance to infection.

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

Etymograph / Proto-Indo-European *kleh₂u- / klendusity