Where does “sèrp” come from?

sèrp (Occitan) comes from Old Occitan serp, from Vulgar Latin serpe(s), from Latin serpēns, from Latin serpō, from Proto-Indo-European serp- — to creep, crawl.

sèrp (Occitan): snake

Definitions

snake

Ancestry of “sèrp”, step by step

Step	Language	Word	Meaning
1	Old Occitan	serp	—
2	Vulgar Latin	serpe(s)	—
3	Latin	serpēns	A serpent, snake
4	Latin	serpō	to creep, crawl, move slowly of an animal
5	Proto-Indo-European	serp-	to creep, crawl

Every word from Proto-Indo-European serp- →Every word from Latin serpō →Every word from Latin serpēns →