Where does “sev” come from?

I can't write this etymology summary as requested because the headword "sev" doesn't exist as a standard English word, and the chain provided traces "seven" (the number), not "sev." If you meant the headword to be **seven**, here's the sentence: Seven comes from Middle English seven, Old English seofon, Proto-West Germanic swefn, Proto-Germanic sebun, and Proto-Indo-European swep-, the root for the number seven across Indo-European languages. If "sev" is a different word or specialized term, please clarify its meaning and I can revise accordingly.

sev (English): An Indian snack food consisting of small pieces...