Szczeblu
Szczeblu is the locative singular form of the Polish noun szczebel, which denotes a rung of a ladder as well as a level or tier within a hierarchy, process, or organization. The base noun szczebel is masculine and commonly used in both literal and figurative senses. Its basic declined forms include szczebla (genitive), szczeblowi (dative), szczeblem (instrumental), and szczeblu (locative).
In usage, szczeblu appears after prepositions that require the locative case, most often after na or w,
Distinctions and related terms: szczebel emphasizes a concrete step or level within a sequence, often with
Etymology traces the word to native Polish usage for a physical rung, extended naturally to metaphorical levels.