This is the 12072nd most frequent German word.
uebener
"Uebener" is not a standard German word. If you meant "ebener," it means "flatter" or "more level."
In this sentence, 'Übener' refers to a place or situation suitable for practice or use due to its smooth or even nature, derived from 'eben', which means flat or smooth.
Das Gelände ist ganz eben – ein echter Übener.
The terrain is completely flat – a real practice area.
Here, 'Übener' metaphorically describes someone well-suited or skilled in practicing or handling situations, based on the verbal root 'üben', which means to practice.
Ein Übener unter Lehrern ist jemand, der Geduld zeigt.
A practitioner among teachers is someone who demonstrates patience.
In this sentence, 'Übener' as an adjective-like term is describing the nature of the path, emphasizing its evenness and suitability for traversal.