Where does “decimonoveno” come from?

decimonoveno (Spanish) comes from Spanish noveno, from Old Spanish noveno, from Latin novēnus, from Latin -nus, from Proto-Italic -nos, from Proto-Indo-European -nós — Creates verbal adjectives from roots.

decimonoveno (Spanish): nineteenth

Definitions

nineteenth

Ancestry of “decimonoveno”, step by step

decimonoveno traces back through two separate lines of ancestry.

via Spanish noveno

Step	Language	Word	Meaning
1	Spanish	noveno	ninth
2	Old Spanish	noveno	ninth
3	Latin	novēnus	Nine each
4	Latin	-nus	-an
5	Proto-Italic	-nos	Creates verbal adjectives from verb stems
6	Proto-Indo-European	-nós	Creates verbal adjectives from roots

via Spanish décimo

Step	Language	Word	Meaning
1	Spanish	décimo	tenth; participation in the lottery; 10-centésimo...
2	Latin	Decimus	originally used for a tenth-born son
3	Latin	decem	ten; 10
4	Proto-Italic	dekem	ten
5	Proto-Indo-European	déḱm̥	ten

Every word from Proto-Indo-European -nós →Every word from Latin -nus →Every word from Latin novēnus →