Where does “secaleche” come from?

secaleche (Spanish) comes from Spanish leche, from Old Spanish leche, from Vulgar Latin lactem, from Latin lác, from Proto-Indo-European ǵlákts — milk.

secaleche (Spanish): The last child to be born to a parent or couple

Definitions

The last child to be born to a parent or couple

Ancestry of “secaleche”, step by step

secaleche traces back through two separate lines of ancestry.

via Spanish leche

Step	Language	Word	Meaning
1	Spanish	leche	milk; cum, semen; shit
2	Old Spanish	leche	—
3	Vulgar Latin	lactem	first-person singular present active subjunctive...
4	Latin	lác	milk
5	Proto-Indo-European	ǵlákts	milk

via Spanish secar

Step	Language	Word	Meaning
1	Spanish	secar	to dry
2	Old Spanish	secar	—

Every word from Proto-Indo-European ǵlákts →Every word from Latin lác →Every word from Vulgar Latin lactem →