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-.
- Proto-Indo-Europeanc. 4500–2500 BCE*dʰh₁-mo-1reconstructed
- Proto-Indo-Europeanc. 4500–2500 BCE*dʰh₁melós1reconstructed
- Proto-Italicc. 1500–700 BCE*θamelos1reconstructed
- Proto-Italicc. 1500–700 BCE*famelos2‘servant, slave’reconstructed
- Proto-Italicc. 1500–700 BCE*fameliā3‘of the house → household’reconstructed
- Latinc. 75 BCE–200 CEfamilia4‘household’
- Latinc. 75 BCE–200 CEfamiliāris5‘of or pertaining to a household or family’
- Latinc. 75 BCE–200 CEfamiliāritās6as familiāritātem
- Middle Frenchc. 1400–1600familiarité6
- Englishearliest quotation 1603familiarity6
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, Proto-Italic *famelos
- 2 Wiktionary, Proto-Italic *fameliā
- 3 Wiktionary, Latin familia
- 4 Wiktionary, Latin familiaris
- 5 Wiktionary, Latin familiaritas
- 6 Wiktionary, English familiarity
- Earliest quotation in Wiktionary’s entry: 1603, Michel de Montaigne, The Essayes […]: “It is also folly and injustice to deprive children[…]of…”.
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*dʰh₁-mo-Wiktionary, Proto-Italic *famelosreconstructed
- Proto-Indo-Europeanc. 4500–2500 BCE*dʰh₁melósWiktionary, Proto-Italic *famelosreconstructed
- Proto-Italicc. 1500–700 BCE*θamelosWiktionary, Proto-Italic *famelosreconstructed
- Proto-Italicc. 1500–700 BCE*famelosWiktionary, Proto-Italic *fameliā‘servant, slave’reconstructed
- Proto-Italicc. 1500–700 BCE*fameliāWiktionary, Latin familia‘of the house → household’reconstructed
- Latinc. 75 BCE–200 CEfamiliaWiktionary, Latin familiaris‘household’
- Latinc. 75 BCE–200 CEfamiliārisWiktionary, Latin familiaritas‘of or pertaining to a household or family’
- Latinc. 75 BCE–200 CEfamiliāritāsWiktionary, English familiarityas familiāritātem
- Middle Frenchc. 1400–1600familiaritéWiktionary, English familiarity
- 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…”
Every English word from Proto-Indo-European *dʰh₁-mo-
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