Where does “دریای مرده” come from?

دریای مرده (Persian) comes from Persian دریا, from Middle Persian dlydʾp̄, from Old Persian 𐎭𐎼𐎹, from Proto-Iranian jráyah, from Proto-Indo-Iranian ȷ́ráyas — expanse, vastness; ocean.

Ancestry of “دریای مرده”, step by step

دریای مرده traces back through 3 separate lines of ancestry.

via Persian دریا

StepLanguageWordMeaning
1Persianدریاsea; ocean; river
2Middle Persiandlydʾp̄sea
3Old Persian𐎭𐎼𐎹sea
4Proto-Iranianjráyah—
5Proto-Indo-Iranianȷ́ráyasexpanse, vastness; ocean

via Persian مرده

StepLanguageWordMeaning
1Persianمردهpast participle of مردن; dead; deceased
2Proto-Indo-Iranianmr̥tásdead; mortal
3Proto-Indo-Europeanmr̥tósdead; mortal
4Proto-Indo-Europeanmer-to die; to disappear; sea, lake, wetland

via Arabic الْبَحْر الْمَيِّت

StepLanguageWordMeaning
1Arabicالْبَحْر الْمَيِّت—
Every word from Proto-Indo-Iranian ȷ́ráyas →Every word from Proto-Iranian jráyah →Every word from Old Persian 𐎭𐎼𐎹 →