Where does “sukurs” come from?

sukurs (Latvian) comes from Latin succursus, from Latin succurrere, from Latin succurro, from Latin curro, from Proto-Italic korzō, from Proto-Indo-European ḱers- — to run.

Ancestry of “sukurs”, step by step

Step	Language	Word	Meaning
1	Latin	succursus	helped
2	Latin	succurrere	third-person plural perfect active indicative of...
3	Latin	succurro	I help, aid; I run to help, to run to the aid of;...
4	Latin	curro	I run; I hurry, hasten, speed; I move, travel,...
5	Proto-Italic	korzō	to run
6	Proto-Indo-European	ḱers-	to run

Every word from Proto-Indo-European ḱers- →Every word from Proto-Italic korzō →Every word from Latin curro →