Where does “Kerkorian” come from?

Kerkorian (English) comes from Armenian Գրիգորյան, from Armenian Գրիգոր, from Old Armenian Գրիգոր, from Ancient Greek Γρηγόριος, from Ancient Greek -ῐος, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

Ancestry of “Kerkorian”, step by step

Step	Language	Word	Meaning
1	Armenian	Գրիգորյան	—
2	Armenian	Գրիգոր	given name equivalent to Gregory
3	Old Armenian	Գրիգոր	—
4	Ancient Greek	Γρηγόριος	watchful, vigilant
5	Ancient Greek	-ῐος	belonging to; of”, “belonging to”, “pertaining to
6	Proto-Indo-European	-yós	Creates adjectives from noun or verb stems

Every word from Proto-Indo-European -yós →Every word from Ancient Greek -ῐος →Every word from Ancient Greek Γρηγόριος →