Where does “sal” come from?

sal (Latin) comes from Proto-Italic sāls, from Proto-Indo-European *sḗh₂l.

Ancestry of “sal”, step by step

Step	Language	Word	Meaning
1	Proto-Italic	sāls	—
2	Proto-Indo-European	*sḗh₂l	—

sal — Etymology, Origin & Word History | Etymology Explorer