This is the 3913th most frequent Polish word.
sarah
The word "sarah" does not have a meaning in Polish; it is likely a proper name.
The word 'Sarah' here functions as a proper noun, specifically a name.
Sarah jest moją najlepszą przyjaciółką.
Sarah is my best friend.
The word 'Sarah' indicates a specific person, and the ending 'ę' aligns with its grammatical role in the Polish sentence.
Widziałem Sarę na rynku wczoraj.
I saw Sarah at the market yesterday.
The word 'Sarah' indicates the recipient of the action in the sentence, changing its form to 'Sarze' to reflect the dative case.