Where does “cão-lobo” come from?

cão-lobo (Portuguese) comes from Portuguese cão, from Old Portuguese cão, from Latin canus, from Proto-Italic kaznos, from Proto-Indo-European ḱas- — grayish-white; white, blond, grey; blond; grey;...

cão-lobo (Portuguese): wolfdog

Definitions

wolfdog

Ancestry of “cão-lobo”, step by step

cão-lobo traces back through two separate lines of ancestry.

via Portuguese cão

Step	Language	Word	Meaning
1	Portuguese	cão	dog; the Devil; white-haired
2	Old Portuguese	cão	—
3	Latin	canus	white; hoary; frothy
4	Proto-Italic	kaznos	grey
5	Proto-Indo-European	ḱas-	grayish-white; white, blond, grey; blond; grey;...

via Portuguese lobo

Step	Language	Word	Meaning
1	Portuguese	lobo	wolf; lobe
2	Old Portuguese	lobo	—
3	Latin	lupus	wolf; an animal which acts in the savage manner...
4	Proto-Italic	lukʷos	—
5	Proto-Indo-European	wĺ̥kʷos	wolf

Every word from Proto-Indo-European ḱas- →Every word from Proto-Italic kaznos →Every word from Latin canus →