Where does “douzième” come from?

douzième (French) comes from French douze, from Old French doze, from Vulgar Latin dodeci, from Latin duodecim, from Latin decem, from Latin -nus, from Proto-Italic -nos, from Proto-Indo-European -nós — Creates verbal adjectives from roots.

douzième (French): twelfth

Definitions

twelfth

Ancestry of “douzième”, step by step

Step	Language	Word	Meaning
1	French	douze	twelve
2	Old French	doze	twelve
3	Vulgar Latin	dodeci	—
4	Latin	duodecim	twelve; 12; dozen
5	Latin	decem	ten; 10
6	Latin	-nus	-an
7	Proto-Italic	-nos	Creates verbal adjectives from verb stems
8	Proto-Indo-European	-nós	Creates verbal adjectives from roots

Words derived from “douzième”

douzièmement

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