Where does “فیصد” come from?

فیصد (Persian) comes from Persian صد, from Middle Persian ??, from Old Persian θata-.

Ancestry of “فیصد”, step by step

فیصد traces back through two separate lines of ancestry.

via Persian صد

StepLanguageWordMeaning
1Persianصدhundred
2Middle Persian??—
3Old Persianθata-—

via Persian فی

StepLanguageWordMeaning
1Persianفیtribute
2Ottoman Turkishفیrate, tariff
3Arabicفِيin
Every word from Old Persian θata- →Every word from Middle Persian ?? →Every word from Persian صد →