This is the 7121st most frequent Polish word.
index
In Polish, "indeks" refers to an academic record book or student grading record.
Here 'indeks' refers to the 'student record book', a term used in academic contexts to denote a document where students record their course enrollment and grades.
Student musi pokazać swój indeks podczas rejestracji.
The student must show their student record book during registration.
In this sentence, 'indeks' is used in the context of finance to mean 'index', specifically referring to a quantitative measure that represents a set of stocks.
Indeks giełdowy wzrasta każdego dnia od zeszłego tygodnia.
The stock index has been increasing every day since last week.
Here 'indeks' is applied in computational contexts and refers to the position within a data structure, such as an index in a table or an array.