Where does “әр” come from?

әр (Kazakh) comes from Classical Persian هر, from Pahlavi KRA, from Proto-Iranian hárwah, from Proto-Indo-Iranian sárwas, from Proto-Indo-European solh₂wós, from Proto-Indo-European sōlh₂- — mercy, comfort; comfort, mercy.

әр (Kazakh): any, every

Definitions

any, every

Ancestry of “әр”, step by step

Step	Language	Word	Meaning
1	Classical Persian	هر	—
2	Pahlavi	KRA	—
3	Proto-Iranian	hárwah	—
4	Proto-Indo-Iranian	sárwas	all; entire, whole
5	Proto-Indo-European	solh₂wós	—
6	Proto-Indo-European	sōlh₂-	mercy, comfort; comfort, mercy

Words derived from “әр”

әркім
әрқилы

Every word from Proto-Indo-European sōlh₂- →Every word from Proto-Indo-European solh₂wós →Every word from Proto-Indo-Iranian sárwas →