Where does “պարտատեր” come from?

պարտատեր (Armenian) comes from Old Armenian պարտատէր, from Old Armenian տէր, from Old Armenian տիայր, from Old Armenian այր, from Proto-Armenian aynr, from Proto-Armenian anir, from Proto-Indo-European h₂nḗr — man; power, force, vital energy.

պարտատեր (Armenian): creditor, lender

Definitions

creditor, lender

Ancestry of “պարտատեր”, step by step

Step	Language	Word	Meaning
1	Old Armenian	պարտատէր	creditor
2	Old Armenian	տէր	lord, ruler, prince; possessor, owner, master;...
3	Old Armenian	տիայր	—
4	Old Armenian	այր	man, adult male; husband, spouse; man of courage
5	Proto-Armenian	aynr	—
6	Proto-Armenian	anir	—
7	Proto-Indo-European	h₂nḗr	man; power, force, vital energy

Every word from Proto-Indo-European h₂nḗr →Every word from Proto-Armenian anir →Every word from Proto-Armenian aynr →