https://musicbrainz.org/instrument/13300a83-2776-481a-80fb-cd68f7be4051

The primary alias for English should be "Hardanger fiddle" (which is currently an alias but doesn't have a language listed). "hardingfele" could be retained as an English alias, but it's far less common (and mostly used by dorks like me). Additionally, there are no aliases for bokmål or nynorsk.