English
igneous
Igneous comes from Latin igneus ‘fiery’, from ignis ‘fire’, and ultimately from Proto-Indo-European *h₁engʷ- ‘to burn’.
- Proto-Indo-Europeanc. 4500–2500 BCE*h₁engʷ-‘to burn’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*h₁n̥gʷnís‘fire’reconstructed
- Latinc. 75 BCE–200 CEignis‘fire’
- Latin, derivedc. 75 BCE–200 CEigneus‘fiery’
- Englishearliest quotation 1835igneous
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*h₁engʷ-‘to burn’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*h₁n̥gʷnís‘fire’reconstructed
- Latinc. 75 BCE–200 CEignis‘fire’
- Latin, derivedc. 75 BCE–200 CEigneus‘fiery’
- Englishearliest quotation 1835igneous
Earliest quotation: 1835, Charles Lyell, London: John Murray: “All formations, whether igneous or aqueous, which can be…”
Equivalent to ignis + -eous
Linked words
through Proto-Indo-European *h₁engʷ- ‘to burn’
through Latin ignis ‘fire’
Today it means
adj Pertaining to or having the nature of fire; containing fire; resembling fire.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *h₁engʷ- / igneous