Where does “mershe” come from?

mershe (Middle English) comes from Old English mersċ, from Proto-West Germanic marisk, from Proto-West Germanic mari, from Proto-Germanic mari, from Proto-Indo-European móri, from Proto-Indo-European mer- — to die; to disappear; sea, lake, wetland.

Ancestry of “mershe”, step by step

mershe traces back through two separate lines of ancestry.

via Old English mersċ

StepLanguageWordMeaning
1Old Englishmersċmarsh
2Proto-West Germanicmarisklake-like, marshy; marsh, swamp
3Proto-West Germanicmarisea, lake
4Proto-Germanicmarisea, ocean; lake, body of water
5Proto-Indo-Europeanmórisea; standing water
6Proto-Indo-Europeanmer-to die; to disappear; sea, lake, wetland

via Old English merisċ

StepLanguageWordMeaning
1Old Englishmerisċ
Every word from Proto-Indo-European mer-Every word from Proto-Indo-European móriEvery word from Proto-Germanic mari