Where does “hydromagmatic” come from?

hydromagmatic (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.

hydromagmatic (English): Relating to, or formed by the interaction of water and hot volcanic magma

Definitions

  1. Relating to, or formed by the interaction of water and hot volcanic magma

Ancestry of “hydromagmatic”, step by step

hydromagmatic 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 hydro

StepLanguageWordMeaning
1Englishhydrohydroelectric; hydroponic; hydroelectric power
2Ancient Greekὕδωρwater; rainwater, rain; sweat
3Proto-Hellenic*údōrwater
Every word from Proto-Indo-European meh₂ǵ-Every word from Proto-Indo-European mh₂ǵyétiEvery word from Ancient Greek μάσσω