Where does “dēn” come from?

dēn (Pahlavi) comes from Old Persian *dainah, from Proto-Indo-Iranian dʰayHanā-.

Ancestry of “dēn”, step by step

StepLanguageWordMeaning
1Old Persian*dainah—
2Proto-Indo-IraniandʰayHanā-—

Words derived from “dēn”

Every word from Proto-Indo-Iranian dʰayHanā- →Every word from Old Persian *dainah →