Where does “saida” come from?

saida (Old Portuguese) comes from Old Portuguese sair, from Latin salīre, from Latin sāl, from Proto-Italic sāls, from Proto-Indo-European *sḗh₂l.

Ancestry of “saida”, step by step

Step	Language	Word	Meaning
1	Old Portuguese	sair	—
2	Latin	salīre	—
3	Latin	sāl	—
4	Proto-Italic	sāls	—
5	Proto-Indo-European	*sḗh₂l	—

saida — Etymology, Origin & Word History | Etymology Explorer