Where does “Áp-ga-ni-xtan” come from?

Áp-ga-ni-xtan (Vietnamese) comes from Russian Афганиста́н, from Classical Persian اَفْغَانِسْتَان.

Ancestry of “Áp-ga-ni-xtan”, step by step

Step	Language	Word	Meaning
1	Russian	Афганиста́н	—
2	Classical Persian	اَفْغَانِسْتَان	—

Áp-ga-ni-xtan — Etymology, Origin & Word History | Etymology Explorer