Where does “Natividade” come from?

Natividade (Portuguese) comes from Latin nativitas, from Latin nātīvus, from Latin nātus, from Latin gnātus, from Proto-Italic gnātos, from Proto-Indo-European ǵn̥h₁tós, from Proto-Indo-European ǵenh₁- — to produce, to beget, to give birth.

Ancestry of “Natividade”, step by step

Step	Language	Word	Meaning
1	Latin	nativitas	birth, nativity; the birth of Jesus Christ;...
2	Latin	nātīvus	created, made
3	Latin	nātus	born, arisen, made
4	Latin	gnātus	—
5	Proto-Italic	gnātos	born
6	Proto-Indo-European	ǵn̥h₁tós	begotten, produced
7	Proto-Indo-European	ǵenh₁-	to produce, to beget, to give birth

Every word from Proto-Indo-European ǵenh₁- →Every word from Proto-Indo-European ǵn̥h₁tós →Every word from Proto-Italic gnātos →