Where does “mr̥tás” come from?

mr̥tás (Proto-Indo-Aryan) comes from Proto-Indo-Iranian mr̥tás, from Proto-Indo-European mr̥tós, from Proto-Indo-European mer- — to die; to disappear; sea, lake, wetland.

Ancestry of “mr̥tás”, step by step

StepLanguageWordMeaning
1Proto-Indo-Iranianmr̥tásdead; mortal
2Proto-Indo-Europeanmr̥tósdead; mortal
3Proto-Indo-Europeanmer-to die; to disappear; sea, lake, wetland
Every word from Proto-Indo-European mer- →Every word from Proto-Indo-European mr̥tós →Every word from Proto-Indo-Iranian mr̥tás →