Where does “custodire” come from?

custodire (Italian) comes from Latin custodio, from Latin -iō, from Proto-West Germanic -jō, from Proto-Indo-European -yéti, from Proto-Indo-European yé-, from Chichewa iye — he, she.

custodire (Italian): to guard; to look after

Definitions

to guard; to look after

Ancestry of “custodire”, step by step

Step	Language	Word	Meaning
1	Latin	custodio	I guard
2	Latin	-iō	—
3	Proto-West Germanic	-jō	Forms agent nouns from verbs
4	Proto-Indo-European	-yéti	Creates intransitive, often deponent,...
5	Proto-Indo-European	yé-	—
6	Chichewa	iye	he, she

Every word from Chichewa iye →Every word from Proto-Indo-European -yéti →Every word from Latin -iō →