Where does “flotmyr” come from?

flotmyr (Norwegian Nynorsk) comes from Norwegian Nynorsk myr, from Old Norse mýrr, from Proto-Germanic miuzī, from Proto-Germanic meusą.

Ancestry of “flotmyr”, step by step

StepLanguageWordMeaning
1Norwegian Nynorskmyra bog, marsh, swamp
2Old Norsemýrrmoor, swamp, bog
3Proto-Germanicmiuzī—
4Proto-Germanicmeusą—
Every word from Proto-Germanic meusą →Every word from Proto-Germanic miuzī →Every word from Old Norse mýrr →