Where does “dotzena” come from?

dotzena (Catalan) comes from Catalan dotzè, from Latin duodecim, from Latin decem, from Latin -nus, from Proto-Italic -nos, from Proto-Indo-European -nós — Creates verbal adjectives from roots.

dotzena (Catalan): feminine singular of dotzè; dozen

Definitions

feminine singular of dotzè; dozen

Ancestry of “dotzena”, step by step

Step	Language	Word	Meaning
1	Catalan	dotzè	twelfth; duodecimo; paper size; duodecimo; book...
2	Latin	duodecim	twelve; 12; dozen
3	Latin	decem	ten; 10
4	Latin	-nus	-an
5	Proto-Italic	-nos	Creates verbal adjectives from verb stems
6	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 decem →