Where does “exsulto” come from?

exsulto (Latin) comes from Latin saltō, from Latin saliō, from Latin sāl, from Proto-Italic sāls, from Proto-Indo-European *sḗh₂l.

Ancestry of “exsulto”, step by step

Step	Language	Word	Meaning
1	Latin	saltō	—
2	Latin	saliō	—
3	Latin	sāl	—
4	Proto-Italic	sāls	—
5	Proto-Indo-European	*sḗh₂l	—