Where does “ტერ-პეტროსიანი” come from?

ტერ-პეტროსიანი (Georgian) comes from Armenian Տեր-Պետրոսյան, from Armenian տեր, 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.

Ancestry of “ტერ-პეტროსიანი”, step by step

StepLanguageWordMeaning
1ArmenianՏեր-Պետրոսյան
2Armenianտերowner, proprietor; lord, master; God, the Lord;...
3Old Armenianտէրlord, ruler, prince; possessor, owner, master;...
4Old Armenianտիայր
5Old Armenianայրman, adult male; husband, spouse; man of courage
6Proto-Armenianaynr
7Proto-Armeniananir
8Proto-Indo-Europeanh₂nḗrman; power, force, vital energy
Every word from Proto-Indo-European h₂nḗrEvery word from Proto-Armenian anirEvery word from Proto-Armenian aynr