Where does “dos” come from?

dos (Kabuverdianu) comes from Portuguese dois, from Portuguese dous, from Old Portuguese dous, from Latin duō, from Proto-Italic duō, from Proto-Indo-European dwóh₁ — two.

dos (Kabuverdianu): two

Definitions

Ancestry of “dos”, step by step

Step	Language	Word	Meaning
1	Portuguese	dois	two
2	Portuguese	dous	Obsolete form of dois
3	Old Portuguese	dous	—
4	Latin	duō	two; 2
5	Proto-Italic	duō	two
6	Proto-Indo-European	dwóh₁	two

Words derived from “dos”

Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Italic duō →Every word from Latin duō →