English
pyroclastic
Pyroclastic comes from Ancient Greek πῦρ ‘fire’, and goes back to Proto-Indo-European *péh₂wr̥.
- Proto-Indo-Europeanc. 4500–2500 BCE*péh₂wr̥‘fire’reconstructed
- Proto-Hellenicc. 2200–1600 BCE*pāwərreconstructed
- Ancient Greekc. 800–300 BCEπῦρpûr‘fire’
- Englishearliest quotation 1862pyroclastic
attested reconstructed ? uncertain or disputed deepest recorded ancestor
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*péh₂wr̥‘fire’reconstructed
- Proto-Hellenicc. 2200–1600 BCE*pāwərreconstructed
- Ancient Greekc. 800–300 BCEπῦρpûr‘fire’
- Englishearliest quotation 1862pyroclastic
Earliest quotation: 1862, Joseph Beete Jukes, Igneous Rocks: “The word "ash" is not a very good one…”
Formed from pyro
Linked words
through Proto-Indo-European *péh₂wr̥ ‘fire’
through Ancient Greek πῦρ ‘fire’
Today it means
adj Mostly composed of rock fragments of volcanic origin or comminuted during an eruption.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *péh₂wr̥ / pyroclastic