Where does “saperlo” come from?

saperlo (Italian) comes from Italian sapere, from Vulgar Latin sapere, from Latin sapiō, from Proto-Indo-European sap- — skill; to taste; to try; to research.

Ancestry of “saperlo”, step by step

Step	Language	Word	Meaning
1	Italian	sapere	to know; to be able to, can, could; to taste or...
2	Vulgar Latin	sapere	to know; present active infinitive of sapiō; be...
3	Latin	sapiō	to be wise, or sensible, discreet, prudent
4	Proto-Indo-European	sap-	skill; to taste; to try; to research

Every word from Proto-Indo-European sap- →