Where does “curo” come from?

curo (Galician) comes from Galician curar, from Old Portuguese curar, from Latin cūrō, from Latin cūra, from Proto-Indo-European kʷeys-, from Proto-Indo-European kʷey- — to pay; to avenge.

curo (Galician): first-person singular present indicative of curar

Definitions

first-person singular present indicative of curar

Ancestry of “curo”, step by step

Step	Language	Word	Meaning
1	Galician	curar	to heed, care; to cure, heal; to cure, preserve
2	Old Portuguese	curar	to care
3	Latin	cūrō	to arrange, see to, attend to, take care of, look after, ensure, tend to
4	Latin	cūra	care, concern, thought
5	Proto-Indo-European	kʷeys-	to see; to heed
6	Proto-Indo-European	kʷey-	to pay; to avenge

Every word from Proto-Indo-European kʷey- →Every word from Proto-Indo-European kʷeys- →Every word from Latin cūra →