Eladna
Eladna is a term that lacks a single, widely recognized definition in English-language sources. The word appears infrequently, and there is no consensus on its meaning or origin.
In general terms, eladna could function as a proper noun in various contexts. It might be used
There are no well-documented notable uses of the exact spelling “Eladna” in major encyclopedias or reference
If you have a particular domain, language, or source in mind where eladna appears, providing that context