Where does “orthomagmatic” come from?

orthomagmatic (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.

orthomagmatic (English): Relating to the main phase of crystallisation of magma

Definitions

  1. Relating to the main phase of crystallisation of magma

Ancestry of “orthomagmatic”, step by step

orthomagmatic 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 ortho

StepLanguageWordMeaning
1EnglishorthoAn isomer of a benzene derivative having two...
Every word from Proto-Indo-European meh₂ǵ-