Etymograph

English

familiarity

Familiarity comes from Latin familiāris ‘of or pertaining to a household or family’, from Proto-Italic *famelos ‘servant, slave’, and ultimately from Proto-Indo-European *dʰh₁-mo-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰh₁-mo-1reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*dʰh₁melós1reconstructed
  3. Proto-Italicc. 1500–700 BCE*θamelos1reconstructed
  4. Proto-Italicc. 1500–700 BCE*famelos2‘servant, slave’reconstructed
  5. Proto-Italicc. 1500–700 BCE*fameliā3‘of the house → household’reconstructed
  6. Latinc. 75 BCE–200 CEfamilia4‘household’
  7. Latinc. 75 BCE–200 CEfamiliāris5‘of or pertaining to a household or family’
  8. Latinc. 75 BCE–200 CEfamiliāritās6as familiāritātem
  9. Middle Frenchc. 1400–1600familiarité6
  10. Englishearliest quotation 1603familiarity6

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Proto-Italic *famelos
  2. 2 Wiktionary, Proto-Italic *fameliā
  3. 3 Wiktionary, Latin familia
  4. 4 Wiktionary, Latin familiaris
  5. 5 Wiktionary, Latin familiaritas
  6. 6 Wiktionary, English familiarity
  7. Earliest quotation in Wiktionary’s entry: 1603, Michel de Montaigne, The Essayes […]: “It is also folly and injustice to deprive children[…]of…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰh₁-mo-Wiktionary, Proto-Italic *famelosreconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*dʰh₁melósWiktionary, Proto-Italic *famelosreconstructed
  3. Proto-Italicc. 1500–700 BCE*θamelosWiktionary, Proto-Italic *famelosreconstructed
  4. Proto-Italicc. 1500–700 BCE*famelosWiktionary, Proto-Italic *fameliā‘servant, slave’reconstructed
  5. Proto-Italicc. 1500–700 BCE*fameliāWiktionary, Latin familia‘of the house → household’reconstructed
  6. Latinc. 75 BCE–200 CEfamiliaWiktionary, Latin familiaris‘household’
  7. Latinc. 75 BCE–200 CEfamiliārisWiktionary, Latin familiaritas‘of or pertaining to a household or family’
  8. Latinc. 75 BCE–200 CEfamiliāritāsWiktionary, English familiarityas familiāritātem
  9. Middle Frenchc. 1400–1600familiaritéWiktionary, English familiarity
  10. Englishearliest quotation 1603familiarityWiktionary, English familiarity. Earliest quotation in Wiktionary’s entry: 1603, Michel de Montaigne, The Essayes […]: “It is also folly and injustice to deprive children[…]of…”

Today it means

noun The state of being extremely friendly; intimacy.

Sources

Sources: Wiktionary, “familiarity”; the older steps come from the Wiktionary entries for Proto-Italic *famelos, Proto-Italic *fameliā, Latin familia, Latin familiaris, Latin familiaritas. 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 *dʰh₁-mo- / familiarity