Where does “taraju” come from?

taraju (Sundanese) comes from Persian ترازو, from Middle Persian tarāzūg, from Avestan ????.???.

taraju (Sundanese): shoulder

Definitions

  1. shoulder

Ancestry of “taraju”, step by step

StepLanguageWordMeaning
1Persianترازوbalance; scales
2Middle Persiantarāzūgscales
3Avestan????.???—
Every word from Avestan ????.??? →Every word from Middle Persian tarāzūg →Every word from Persian ترازو →