Where does “romn” come from?

romn (Old Swedish) comes from Old Norse hrogn, from Proto-Germanic hrugnaz, from Proto-Indo-European kreḱ- — to weave.

Ancestry of “romn”, step by step

StepLanguageWordMeaning
1Old Norsehrognroe
2Proto-Germanichrugnazspawn of frogs or fish; roe
3Proto-Indo-Europeankreḱ-to weave
Every word from Proto-Indo-European kreḱ- →Every word from Proto-Germanic hrugnaz →Every word from Old Norse hrogn →
romn — Etymology, Origin & Word History | Etymology Explorer