Podstawie
Podstawie is the locative singular form of the Polish noun podstawa, which means basis, foundation, or fundament. In ordinary language it is most often encountered in the fixed prepositional phrase na podstawie, meaning on the basis of or based on. The form podstawa itself refers to a base or groundwork, while podstawie appears when the word is inflected for location or context after a preposition.
The phrase na podstawie is used to indicate the ground or source for a conclusion, decision, or
Podstawa is a feminine noun, and podstawie is the locative singular form used after prepositions like na
Podstawa, podstawowy, na podstawie. These terms cover the broader semantic field of grounding, foundation, and basis