Where does “mestizo de español” come from?

mestizo de español (Spanish) comes from Spanish dé, from Old Spanish de, from Latin dē, from Latin post, from Latin poste, from Proto-Italic posti, from Proto-Indo-European pósti, from Proto-Indo-European pós — afterwards, post; by, at.

mestizo de español (Spanish): A person of mixed Spanish Filipino and ethnic Austronesian Filipino ancestry especially during the Spanish colonial period of the Philippines

Definitions

A person of mixed Spanish Filipino and ethnic Austronesian Filipino ancestry especially during the Spanish colonial period of the Philippines

Ancestry of “mestizo de español”, step by step

mestizo de español traces back through 3 separate lines of ancestry.

via Spanish dé

Step	Language	Word	Meaning
1	Spanish	dé	of; 's; used after the thing owned and before the owner
2	Old Spanish	de	of; -'s
3	Latin	dē	of; concerning; about
4	Latin	post	behind; after, since, besides, except; behind,...
5	Latin	poste	ablative singular of postis
6	Proto-Italic	posti	behind, after
7	Proto-Indo-European	pósti	after
8	Proto-Indo-European	pós	afterwards, post; by, at

via Spanish español

Step	Language	Word	Meaning
1	Spanish	español	Spanish; Spaniard; the Spanish language
2	Old Spanish	espanyol	—
3	Old Occitan	espaignol	Spanish
4	Vulgar Latin	Hispaniolus	Spanish; of Spain; Of Spain
5	Latin	Hispānus	Spaniard
6	Latin	Hispānia	—
7	Punic	אי שפן	coast of hyraxes

via Spanish mestizo

Step	Language	Word	Meaning
1	Spanish	mestizo	Of mixed, Spanish and Native American heritage;...
2	Late Latin	mixticius	of mixed race; of mixed race; mixed-blood;...
3	Latin	mixtus	mixed, having been mixed
4	Latin	miscēre	—

Every word from Proto-Indo-European pós →Every word from Proto-Indo-European pósti →Every word from Proto-Italic posti →