Where does “maciço” come from?

maciço (Portuguese) comes from Old Portuguese maciço, from Vulgar Latin *massīcius, from Latin massa, from Ancient Greek μᾶζα, from Ancient Greek μάσσω, from Proto-Indo-European mh₂ǵyéti, from Proto-Indo-European meh₂ǵ- — to knead, stroke.

maciço (Portuguese): solid; mass; massive

Definitions

solid; mass; massive

Ancestry of “maciço”, step by step

Step	Language	Word	Meaning
1	Old Portuguese	maciço	—
2	Vulgar Latin	*massīcius	—
3	Latin	massa	mass, bulk; load, burden; dough
4	Ancient Greek	μᾶζα	barley-bread or cake
5	Ancient Greek	μάσσω	to handle, work with my hands, knead; to wipe
6	Proto-Indo-European	mh₂ǵyéti	—
7	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 →