Where does “allīterātiō” come from?

allīterātiō (New Latin) comes from Latin alliteratus, from Latin allitero, from Latin Ad, from Latin illic, from Latin ille, from Latin olle, from Proto-Italic *olnos — that.

Ancestry of “allīterātiō”, step by step

Step	Language	Word	Meaning
1	Latin	alliteratus	—
2	Latin	allitero	—
3	Latin	Ad	toward, to
4	Latin	illic	he, she, it, yonder, that, overthere; in that...
5	Latin	ille	that; those; "; demonstrative pronoun "; that...
6	Latin	olle	Archaic form of ille
7	Proto-Italic	*olnos	that

Words derived from “allīterātiō”

Every word from Proto-Italic *olnos →Every word from Latin olle →Every word from Latin ille →