This is the 2437th most frequent Polish word.
banach
"Banach" is not a standard Polish word; it is a proper noun, commonly referring to Stefan Banach, a renowned Polish mathematician and founder of modern functional analysis.
The word 'Banach' is used here as a proper noun referring to the famous mathematician Stefan Banach.
Banach jest znanym polskim matematykiem.
Banach is a well-known Polish mathematician.
The word 'Banacha' refers to the mathematical concept named after Stefan Banach.
Na uniwersytecie omawialiśmy przestrzenie Banacha.
At the university, we discussed Banach spaces.
The word 'Banacha' is used here in the possessive case to refer to Stefan Banach's portrait.