Where does “ipomagma” come from?

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

ipomagma (Italian): a kind of magma wherein the tension of its volatile components does not reach the external pressure

Definitions

a kind of magma wherein the tension of its volatile components does not reach the external pressure

Ancestry of “ipomagma”, step by step

Step	Language	Word	Meaning
1	Italian	magma	magma; jumble
2	Latin	magma	The dregs of an unguent
3	Ancient Greek	μάγμα	A kind of thick unguent
4	Ancient Greek	μάσσω	to handle, work with my hands, knead; to wipe
5	Proto-Indo-European	mh₂ǵyéti	—
6	Proto-Indo-European	meh₂ǵ-	to knead, stroke

Every word from Proto-Indo-European meh₂ǵ- →Every word from Proto-Indo-European mh₂ǵyéti →Every word from Ancient Greek μάσσω →