Where does “salvamiento” come from?

salvamiento (Spanish) comes from Spanish salvar, from Old Spanish salvar, from Latin salvāre, from Latin salvus, from Proto-Italic *salawos, from Proto-Indo-European solh₂wós, from Proto-Indo-European sōlh₂- — mercy, comfort; comfort, mercy.

Ancestry of “salvamiento”, step by step

Step	Language	Word	Meaning
1	Spanish	salvar	to save; to rescue; to salvage
2	Old Spanish	salvar	—
3	Latin	salvāre	—
4	Latin	salvus	safe, saved, preserved, sound, unharmed,...
5	Proto-Italic	*salawos	whole
6	Proto-Indo-European	solh₂wós	—
7	Proto-Indo-European	sōlh₂-	mercy, comfort; comfort, mercy

Every word from Proto-Indo-European sōlh₂- →Every word from Proto-Indo-European solh₂wós →Every word from Proto-Italic *salawos →