Where does “stivare” come from?

stivare (Medieval Latin) comes from Latin stīpāre, from Latin stīpō, from Proto-Indo-European stīpos, from Proto-Indo-European steip-.

Ancestry of “stivare”, step by step

Step	Language	Word	Meaning
1	Latin	stīpāre	—
2	Latin	stīpō	—
3	Proto-Indo-European	stīpos	—
4	Proto-Indo-European	steip-	—

stivare — Etymology, Origin & Word History | Etymology Explorer