This is the 697th most frequent Polish word.
jakości
The Polish word "jakości" means "quality" in English (genitive or dative singular/form of "jakość").
Here, 'jakości' shows its genitive case usage following a verb discussing assessment.
Jakość tego produktu jest bardzo wysoka.
The quality of this product is very high.
Here, 'jakość' is used to express a property or attribute of an object or action.
Zwracam szczególną uwagę na jakość wykonania.
I pay special attention to the quality of workmanship.
In this sentence, 'jakości' refers to the genitive case showing possession or description in the context of comparison.