Where does “-ar” come from?

-ar (Old Occitan) comes from Latin -āre, from Proto-Italic -āō, from Proto-Indo-European -eh₂yéti, from Proto-Indo-European -yéti, from Proto-Indo-European yé-, from Chichewa iye — he, she.

Ancestry of “-ar”, step by step

Step	Language	Word	Meaning
1	Latin	-āre	first conjugation
2	Proto-Italic	-āō	Forms primarily denominative verbs
3	Proto-Indo-European	-eh₂yéti	Creates iterative/ frequentative/ intensive...
4	Proto-Indo-European	-yéti	Creates intransitive, often deponent,...
5	Proto-Indo-European	yé-	—
6	Chichewa	iye	he, she

Words derived from “-ar”

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