Where does “mořo” come from?

mořo (Proto-Slavic) comes from Proto-Indo-European moryo-, from Proto-Indo-European móri, from Proto-Indo-European mer- — to die; to disappear; sea, lake, wetland.

Ancestry of “mořo”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanmoryo-—
2Proto-Indo-Europeanmórisea; standing water
3Proto-Indo-Europeanmer-to die; to disappear; sea, lake, wetland
Every word from Proto-Indo-European mer- →Every word from Proto-Indo-European móri →Every word from Proto-Indo-European moryo- →