Where does “tetranitruro” come from?

tetranitruro (Italian) comes from Italian tetra-, from Ancient Greek τέτταρες, from Proto-Indo-European kʷetwóres, from Proto-Indo-European kʷe- — and.

tetranitruro (Italian): tetranitride

Definitions

tetranitride

Ancestry of “tetranitruro”, step by step

Step	Language	Word	Meaning
1	Italian	tetra-	tetra
2	Ancient Greek	τέτταρες	four
3	Proto-Indo-European	kʷetwóres	four
4	Proto-Indo-European	kʷe-	and

Every word from Proto-Indo-European kʷe- →Every word from Proto-Indo-European kʷetwóres →Every word from Italian tetra- →