starszych
Starszych is a Polish inflected form of the adjective related to age. It is most commonly the genitive plural of the comparative adjective starszy (older), and it can also appear as the accusative plural for masculine personal nouns when describing older people or older things. In practice, starszych functions as a marker of age in phrases where the noun it modifies is in genitive plural or, in some syntactic contexts, in the accusative plural.
Etymology and form: the root is from the adjective stary/starszy, meaning old or older. The suffix -ych
Usage notes: starszych is used to denote age rather than a qualitative comparison alone. It appears with