piaskowych
Piaskowych is a Polish adjective form meaning related to sand or sandy. It is derived from the noun piasek (sand) and the adjective suffix -owy, yielding piaskowy for masculine forms and piaskowa/piaskowe for feminine and neuter or plural positions. The form piaskowych is most commonly the genitive plural (or, in some contexts, locative/genitive constructions) of the adjective, used when describing multiple nouns in cases that require these endings.
In common and scientific usage, piaskowych appears in contexts related to sand, especially in geology, geography,
Morphology and grammar-wise, piaskowych functions as an attributive adjective that agrees with the noun it modifies
See also: piaskowy, piaskowiec, piaskowa, osady piaskowe, skały piaskowe.