Ἐχέμβροτος (Ancient Greek) comes from Ancient Greek βροτός, from Proto-Indo-European mr̥twós, from Proto-Indo-European mer- — to die; to disappear; sea, lake, wetland.
Ancestry of “Ἐχέμβροτος”, step by step
Ἐχέμβροτος traces back through two separate lines of ancestry.