Where does “تاجیکی” come from?

تاجیکی (Persian) comes from Persian تاجیک, from Middle Persian tʾcyk', from Arabic طَيِّء — name of an Arab clan.

تاجیکی (Persian): Tajik

Definitions

  1. Tajik

Ancestry of “تاجیکی”, step by step

تاجیکی traces back through two separate lines of ancestry.

via Persian تاجیک

StepLanguageWordMeaning
1Persianتاجیکnon-Turk; Tajik
2Middle Persiantʾcyk'Arab; swift, fast
3Arabicطَيِّءname of an Arab clan

via Classical Persian ـِی

StepLanguageWordMeaning
1Classical Persianـِی—
2Finnishyhugh, yuck
Every word from Arabic طَيِّء →Every word from Middle Persian tʾcyk' →Every word from Persian تاجیک →