Where does “salarial” come from?

salarial (Spanish) comes from Spanish salario, from Latin salārium, from Latin sāl, from Proto-Italic sāls, from Proto-Indo-European *sḗh₂l.

salarial (Spanish): wages, salary

Definitions

Step	Language	Word	Meaning
1	Spanish	salario	wage, wages, salary; income
2	Latin	salārium	—
3	Latin	sāl	—
4	Proto-Italic	sāls	—
5	Proto-Indo-European	*sḗh₂l	—

salarial — Etymology, Origin & Word History | Etymology Explorer