Where does “katxor” come from?

katxor (Kabuverdianu) comes from Portuguese cachorro, from Vulgar Latin *cattulus, from Latin catulus, from Proto-Italic *katelos — animal young, cub.

katxor (Kabuverdianu): dog

Definitions

Ancestry of “katxor”, step by step

Step	Language	Word	Meaning
1	Portuguese	cachorro	puppy; dog; A promiscuous man
2	Vulgar Latin	*cattulus	—
3	Latin	catulus	whelp; young dog, puppy, young wolf
4	Proto-Italic	*katelos	animal young, cub

Every word from Proto-Italic *katelos →Every word from Latin catulus →Every word from Vulgar Latin *cattulus →