Where does “மருதோன்றி” come from?

மருதோன்றி (Tamil) comes from Tamil மரு, from Sanskrit मरु, from Proto-Indo-European móri, from Proto-Indo-European mer- — to die; to disappear; sea, lake, wetland.

Ancestry of “மருதோன்றி”, step by step

மருதோன்றி traces back through two separate lines of ancestry.

via Tamil மரு

StepLanguageWordMeaning
1Tamilமருwart
2Sanskritमरुwilderness, sandy waste, desert; mountain, rock;...
3Proto-Indo-Europeanmórisea; standing water
4Proto-Indo-Europeanmer-to die; to disappear; sea, lake, wetland

via Tamil தோன்று

StepLanguageWordMeaning
1Tamilதோன்றுto occur, come to mind
Every word from Proto-Indo-European mer-Every word from Proto-Indo-European móriEvery word from Sanskrit मरु