What does camlann mean in welsh?

"Camlann" is not a Welsh word. It is a name of a place in Arthurian legend, often associated with the Battle of Camlann, the final battle where King Arthur is said to have died.

There is no Welsh word that directly translates to "Camlann". It's likely the name originates from a different language, potentially from a Celtic language like Old Cornish or Old Breton, though its exact origin is debated.

It's possible that the name "Camlann" was used in Welsh stories about Arthur, but it was not a native Welsh word.