Where does “sancturus” come from?

sancturus (Latin) comes from Latin sanciō, from Proto-Italic sankjō, from Proto-Indo-European sh₂nékti ~ sh₂nkénti, from Proto-Indo-European seh₂k- — sacred.

Definitions

Ancestry of “sancturus”, step by step

Step	Language	Word	Meaning
1	Latin	sanciō	—
2	Proto-Italic	sankjō	—
3	Proto-Indo-European	sh₂nékti ~ sh₂nkénti	—
4	Proto-Indo-European	seh₂k-	sacred

Every word from Proto-Indo-European seh₂k- →

sancturus — Etymology, Origin & Word History | Etymology Explorer