Where does “novena” come from?

novena (English) comes from Ecclesiastical Latin novena, from Latin novēnus, from Latin -nus, from Proto-Italic -nos, from Proto-Indo-European -nós — Creates verbal adjectives from roots.

novena (English): A recitation of prayers and devotions for nine...

Definitions

A recitation of prayers and devotions for nine...

Ancestry of “novena”, step by step

Step	Language	Word	Meaning
1	Ecclesiastical Latin	novena	novena; nominative feminine singular of novēnus;...
2	Latin	novēnus	Nine each
3	Latin	-nus	-an
4	Proto-Italic	-nos	Creates verbal adjectives from verb stems
5	Proto-Indo-European	-nós	Creates verbal adjectives from roots

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