Többéves
Többéves is a Hungarian adjective that translates to "multi-year" or "several years old" in English. It is used to describe something that has existed or taken place over a period of multiple years.
In agricultural contexts, "többéves növények" refers to perennial plants, which live for more than two years.
The term can also be applied to other situations involving extended durations. For instance, "többéves tapasztalat"