Where does “pensare” come from?

pensare (Latin) comes from Latin pendēre, from Latin pendō, from Proto-Italic pendō, from Proto-Indo-European (s)péndeti, from Proto-Indo-European (s)pend- — to stretch.

Ancestry of “pensare”, step by step

Step	Language	Word	Meaning
1	Latin	pendēre	—
2	Latin	pendō	—
3	Proto-Italic	pendō	hang, put in a hanging position
4	Proto-Indo-European	(s)péndeti	—
5	Proto-Indo-European	(s)pend-	to stretch

Every word from Proto-Indo-European (s)pend- →

pensare — Etymology, Origin & Word History | Etymology Explorer