Where does “nostrat” come from?

nostrat (Catalan) comes from Catalan nostre, from Old Catalan nostre, from Latin noster, from Proto-Italic nosteros, from Proto-Indo-European nos, from Proto-Indo-European éǵh₂ — I.

nostrat (Catalan): ours, belonging to our nation

Definitions

ours, belonging to our nation

Ancestry of “nostrat”, step by step

Step	Language	Word	Meaning
1	Catalan	nostre	our; our, ours
2	Old Catalan	nostre	—
3	Latin	noster	our, ours
4	Proto-Italic	nosteros	our
5	Proto-Indo-European	nos	—
6	Proto-Indo-European	éǵh₂	I

Every word from Proto-Indo-European éǵh₂ →Every word from Proto-Indo-European nos →Every word from Proto-Italic nosteros →