Where does “macromolécula” come from?

macromolécula (Portuguese) comes from Portuguese macro-, from Ancient Greek μακρός, from Proto-Italic makros, from Proto-Indo-European mh₂ḱrós, from Proto-Indo-European meh₂ḱ- — to raise, increase; long.

macromolécula (Portuguese): macromolecule

Definitions

macromolecule

Ancestry of “macromolécula”, step by step

Step	Language	Word	Meaning
1	Portuguese	macro-	macro
2	Ancient Greek	μακρός	long; tall, deep; far, distant
3	Proto-Italic	makros	—
4	Proto-Indo-European	mh₂ḱrós	lean, meager
5	Proto-Indo-European	meh₂ḱ-	to raise, increase; long

Every word from Proto-Indo-European meh₂ḱ- →Every word from Proto-Indo-European mh₂ḱrós →Every word from Proto-Italic makros →