Bakká
Bakká is a term that can refer to several distinct things, depending on the context and geographical region. In Icelandic, the word "bakká" is a compound word formed from "bak" meaning back and "á" meaning river. It can literally translate to "back river" or "river bank".
In some Icelandic contexts, bakká might refer to a secondary waterway or a stream that runs parallel
Outside of Iceland, the term might be a proper noun. It is sometimes used as a surname