Where does “socorrista” come from?

socorrista (Catalan) comes from Catalan socórrer, from Latin succurrō, from Latin currō, from Proto-Indo-European ḱer-, from Proto-Indo-European kr̥-, from Proto-Indo-European ker- — army.

socorrista (Catalan): lifeguard, rescuer

Definitions

lifeguard, rescuer

Ancestry of “socorrista”, step by step

Step	Language	Word	Meaning
1	Catalan	socórrer	to aid; assist
2	Latin	succurrō	to help, aid, succor
3	Latin	currō	to run
4	Proto-Indo-European	ḱer-	to grow, to make grow, to nourish; to plait,...
5	Proto-Indo-European	kr̥-	to turn, to bend
6	Proto-Indo-European	ker-	army

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