Where does “Афганистан” come from?

Афганистан (Kyrgyz) comes from Russian Афганиста́н, from Classical Persian اَفْغَانِسْتَان.

Ancestry of “Афганистан”, step by step

StepLanguageWordMeaning
1RussianАфганиста́нThe Soviet–Afghan War
2Classical Persianاَفْغَانِسْتَان—
Every word from Classical Persian اَفْغَانِسْتَان →Every word from Russian Афганиста́н →