Where does “corso” come from?

corso (Portuguese) comes from Latin cursus, from Latin currō, from Proto-Indo-European ḱer-, from Proto-Indo-European kr̥-, from Proto-Indo-European ker- — army.

corso (Portuguese): Corsican; a state-authorized offensive to enemy...

Definitions

Corsican; a state-authorized offensive to enemy...

Ancestry of “corso”, step by step

corso traces back through two separate lines of ancestry.

via Latin cursus

Step	Language	Word	Meaning
1	Latin	cursus	The act of running; race; Course, way, passage,...
2	Latin	currō	to run
3	Proto-Indo-European	ḱer-	to grow, to make grow, to nourish; to plait,...
4	Proto-Indo-European	kr̥-	to turn, to bend
5	Proto-Indo-European	ker-	army

via Latin corsus

Step	Language	Word	Meaning
1	Latin	corsus	Corsican
2	Latin	Corsica	—
3	Ancient Greek	Κορσίς	—

Every word from Proto-Indo-European ker- →Every word from Proto-Indo-European kr̥- →Every word from Proto-Indo-European ḱer- →