Where does “Khachatryan” come from?

Khachatryan (English) comes from Armenian Խաչատրյան, from Armenian -յան, from Old Armenian -եան, from Proto-Indo-European -iyn̥.

Ancestry of “Khachatryan”, step by step

StepLanguageWordMeaning
1ArmenianԽաչատրյան—
2Armenian-յանforming belonging/affiliation adjectives; forming...
3Old Armenian-եանforming belonging/affiliation adjectives; forming...
4Proto-Indo-European-iyn̥—
Every word from Proto-Indo-European -iyn̥ →Every word from Armenian -յան →Every word from Old Armenian -եան →
Khachatryan — Etymology, Origin & Word History | Etymology Explorer