Where does “Булат” come from?

Булат (Tatar) comes from Persian پولاد, from Middle Persian pwlʾpt'.

Ancestry of “Булат”, step by step

StepLanguageWordMeaning
1Persianپولادsteel
2Middle Persianpwlʾpt'—
Every word from Middle Persian pwlʾpt' →Every word from Persian پولاد →