Parapetowa -

It can refer to a "piece" of a plant or a seedling grown in a "parapetowy ogródek" (windowsill garden).

A PVC or metal "piece" used to cover old windowsills without removing them. These are commonly found at retailers like Castorama . parapetowa

In a technical or DIY context, a "parapetowa" piece refers to materials designed for window sills: It can refer to a "piece" of a