Where does “Dutzet” come from?

Dutzet (German) comes from Middle High German totzen, from Old French dozaine, from Old French doze, from Vulgar Latin dodeci, from Latin duodecim, from Latin decem, from Latin -nus, from Proto-Italic -nos — Creates verbal adjectives from roots.

Ancestry of “Dutzet”, step by step

Step	Language	Word	Meaning
1	Middle High German	totzen	—
2	Old French	dozaine	a group of twelve
3	Old French	doze	twelve
4	Vulgar Latin	dodeci	—
5	Latin	duodecim	twelve; 12; dozen
6	Latin	decem	ten; 10
7	Latin	-nus	-an
8	Proto-Italic	-nos	Creates verbal adjectives from verb stems
9	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 →