Adestera doesn't seem to be a widely recognized term. It's possible that it's:
https://www.cpmrevenuegate.com/jv8967ppx?key=3bc702cae5244f26b1312509be89d989
1. A misspelling or variation of a word.
https://www.cpmrevenuegate.com/jv8967ppx?key=3bc702cae5244f26b1312509be89d989
https://www.cpmrevenuegate.com/jv8967ppx?key=3bc702cae5244f26b1312509be89d989
2. A name (e.g., person, place, organization).
https://www.cpmrevenuegate.com/jv8967ppx?key=3bc702cae5244f26b1312509be89d989
3. A fictional term (e.g., from a book, game, movie).
4. A made-up or slang word.
https://www.cpmrevenuegate.com/jv8967ppx?key=3bc702cae5244f26b1312509be89d989
Could you provide more context or clarify what Adestera refers to?