köken: From Middle High German schramme, schramm, cognate to Middle Dutch scramme, Dutch schram (“scratch”), Old Norse skrāma (“wound”), Swedish skråma (“scratch”). Possibly related to Middle Irish screm, Welsh cramen (“crust”), Russian крома́ (kromá, “crust”), Latvian kri̇̀mst, Lithuanian krim̃sti (“to gnaw”).
köken: From Proto-Finnic [Term?] (compare Estonian narmas, Livonian nārmaz), probably borrowed from Proto-Germanic *narwô (“scar”) (compare German Narbe (“scar”)).