Where does “natrão” come from?

natrão (Portuguese) comes from Spanish natrón, from Arabic نَطْرُون, from Ancient Greek νίτρον, from Egyptian nṯrj, from Egyptian -j, from Egyptian -t, from Proto-Afro-Asiatic -t.

natrão (Portuguese): natron hydrated sodium carbonate that crystallizes in the monoclinic system

Definitions

natron hydrated sodium carbonate that crystallizes in the monoclinic system

Ancestry of “natrão”, step by step

Step	Language	Word	Meaning
1	Spanish	natrón	natron
2	Arabic	نَطْرُون	—
3	Ancient Greek	νίτρον	sodium carbonate
4	Egyptian	nṯrj	to be divine; to make divine; divine, holy
5	Egyptian	-j	Marks the dual form of nouns and adjectives....
6	Egyptian	-t	Used to form feminine singular forms of nouns; An...
7	Proto-Afro-Asiatic	-t	—

Every word from Proto-Afro-Asiatic -t →Every word from Egyptian -t →Every word from Egyptian -j →