English
solidity
Solidity comes from Latin solidus ‘dense, solid, not hollow’, from Proto-Indo-European *solh₂-i-dʰ-o-s ‘entire’, and ultimately from *solh₂- ‘integrate, whole’.
- Proto-Indo-Europeanc. 4500–2500 BCE*solh₂-‘integrate, whole’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*solh₂-i-dʰ-o-s‘entire’reconstructed
- Proto-Italicc. 1500–700 BCE*soliðosreconstructed
- Latinc. 75 BCE–200 CEsolidus‘dense, solid, not hollow’
- Latin, derivedc. 75 BCE–200 CEsoliditās
- Middle Frenchc. 1400–1600solidité
- Englishearliest quotation 1739solidity
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*solh₂-‘integrate, whole’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*solh₂-i-dʰ-o-s‘entire’reconstructed
- Proto-Italicc. 1500–700 BCE*soliðosreconstructed
- Latinc. 75 BCE–200 CEsolidus‘dense, solid, not hollow’
- Latin, derivedc. 75 BCE–200 CEsoliditās
- Middle Frenchc. 1400–1600solidité
- Englishearliest quotation 1739solidity
Earliest quotation: 1739, David Hume, Book 1, part 4, section 4: “If colours, sounds, tastes, and smells be merely perceptions,…”
Formed from solid + -ity
Proto-Indo-European *solh₂- ‘integrate’
…
Proto-Italic *soliðos
Latin solidus
Old French solide
Middle English solide
English solid
Linked words
through Proto-Indo-European *solh₂- ‘integrate, whole’
save, safe, sold, salvation, sage, holocaust, salute, savior, salvage, salvo, salve, salvia, salutation, salutary, salubrious, 27 more
through Latin solidus ‘dense, solid, not hollow’
Today it means
noun The state or quality of being solid.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *solh₂- / solidity