You can use this website to learn the meaning of every Skyrim dragon's name
Briefly

"Ah, I forget how little you know of the dov," dragon Paarthurnax tells the Dovahkiin. "Our names are always made up of three Rotmulaag - words of power."
Thuum.org's translations of made-up Skyrim language is a player project, and despite not officially being "canon," the resource has had an outsized impact on the community.
The website is a documentation of and dictionary dedicated to preserving Dovahzul, a fantasy language in Skyrim, collected and analyzed by lots of contributors.
Read at Polygon
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