Where does “*palātārem” come from?

*palātārem (Vulgar Latin) comes from Latin palātum, from Proto-Indo-European pleh₂- — flat.

Ancestry of “*palātārem”, step by step

Step	Language	Word	Meaning
1	Latin	palātum	—
2	Proto-Indo-European	pleh₂-	flat

*palātārem — Etymology, Origin & Word History | Etymology Explorer