firman (Classical Malay) comes from Persian فرمان, from Middle Persian plmʾn', from Old Persian 𐎳𐎼𐎶𐎠𐎴𐎠, from Proto-Indo-Iranian pramaHnam, from Proto-Indo-European *meh₁nom, from Proto-Indo-European meh₁- — to measure.
Ancestry of “firman”, step by step
firman traces back through two separate lines of ancestry.