Where does “desmigajar” come from?

desmigajar (Spanish) comes from Spanish migaja, from Vulgar Latin micacula, from Latin mīca, from Proto-Italic smīkā, from Proto-Indo-European smēyg-, from Proto-Indo-European smē- — to rub; smear.

desmigajar (Spanish): to crumble; to grind up

Definitions

to crumble; to grind up

Ancestry of “desmigajar”, step by step

Step	Language	Word	Meaning
1	Spanish	migaja	crumb
2	Vulgar Latin	micacula	—
3	Latin	mīca	a grain, crumb
4	Proto-Italic	smīkā	—
5	Proto-Indo-European	smēyg-	small, delicate, thin; twig, pole; crumb; small,...
6	Proto-Indo-European	smē-	to rub; smear

Every word from Proto-Indo-European smē- →Every word from Proto-Indo-European smēyg- →Every word from Proto-Italic smīkā →