Where does “piquin” come from?

piquin (Indo-Portuguese) comes from Portuguese pequeno, from Old Portuguese pequeno, from Vulgar Latin pitinnus — small.

piquin (Indo-Portuguese): small; young

Definitions

Step	Language	Word	Meaning
1	Portuguese	pequeno	small; child
2	Old Portuguese	pequeno	—
3	Vulgar Latin	pitinnus	small

piquin — Etymology, Origin & Word History | Etymology Explorer