Where does “umbilici” come from?

umbilici (English) comes from English umbilicus, from Latin umbilīcus, from Proto-Indo-European *h₃nóbʰōl.

umbilici (English): plural of umbilicus

Definitions

Step	Language	Word	Meaning
1	English	umbilicus	navel; hilum; A depression or opening in the...
2	Latin	umbilīcus	—
3	Proto-Indo-European	*h₃nóbʰōl	—

umbilici — Etymology, Origin & Word History | Etymology Explorer