Where does “phreatomagmatic” come from?

phreatomagmatic (English) comes from English magmatic, from Latin magma, from Ancient Greek μάγμα, from Ancient Greek μάσσω, from Proto-Indo-European mh₂ǵyéti, from Proto-Indo-European meh₂ǵ- — to knead, stroke.

phreatomagmatic (English): Pertaining to a volcanic eruption caused by magma...

Definitions

  1. Pertaining to a volcanic eruption caused by magma...

Ancestry of “phreatomagmatic”, step by step

phreatomagmatic traces back through two separate lines of ancestry.

via English magmatic

StepLanguageWordMeaning
1EnglishmagmaticPertaining to magma or magmatism
2LatinmagmaThe dregs of an unguent
3Ancient GreekμάγμαA kind of thick unguent
4Ancient Greekμάσσωto handle, work with my hands, knead; to wipe
5Proto-Indo-Europeanmh₂ǵyéti
6Proto-Indo-Europeanmeh₂ǵ-to knead, stroke

via English phreatic

StepLanguageWordMeaning
1EnglishphreaticOf or pertaining to ground water; involving...
2Ancient Greekφρέαρartificial well; tank, cistern, reservoir
3Proto-Hellenicpʰrḗwər
4Proto-Indo-Europeanbʰréh₁wr̥well, spring, source
5Proto-Indo-Europeanbʰrewh₁-to boil; to brew
6Proto-Indo-Europeanbʰer-to bear, carry

Words derived from “phreatomagmatic

Every word from Proto-Indo-European meh₂ǵ-Every word from Proto-Indo-European mh₂ǵyétiEvery word from Ancient Greek μάσσω