English
ignimbrite
By surface analysis, igni- (“fire”) + Latin imbris (“shower; stormcloud”) + -ite.
Equivalent to igni- + imbris + -ite
Proto-Indo-European *h₁engʷ- ‘to burn’
Proto-Indo-European *h₁n̥gʷnís ‘fire’
Latin ignis ‘fire’
English igni-
Today it means
noun A deposit left by a pyroclastic flow from a volcano, consisting of ash, pumice lapilli, and lithic fragments.
Language periods are conventional ranges, not dates for this word.
Etymograph / ignimbrite