Where does “YMYTWNtn'” come from?

YMYTWNtn' (Middle Persian) comes from Proto-Indo-European mer- — to die; to disappear; sea, lake, wetland.

Ancestry of “YMYTWNtn'”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	mer-	to die; to disappear; sea, lake, wetland

YMYTWNtn' — Etymology, Origin & Word History | Etymology Explorer