Where does “caesareum” come from?

caesareum (Latin) comes from Latin caesareus, from Latin Caesar, from Latin caesaries, from Proto-Indo-European kéysero- — hair.

Ancestry of “caesareum”, step by step

Step	Language	Word	Meaning
1	Latin	caesareus	pertaining to Caesar
2	Latin	Caesar	Julius Caesar; emperor
3	Latin	caesaries	or hair
4	Proto-Indo-European	kéysero-	hair

caesareum — Etymology, Origin & Word History | Etymology Explorer