This is the 10500th most frequent Polish word.
dawki
"Dawki" in English means "doses."
In this sentence, "dawki" is used in the accusative case, referring to the amount of medicine prescribed (as a specific dose).
Lekarz zalecił zwiększenie dawki leku.
The doctor recommended increasing the dose of the medicine.
Here, "dawki" is in the nominative case and is used to indicate quantities of vitamins taken regularly (as multiple amounts/doses).
Codzienne dawki witamin są niezbędne dla zdrowia.
Daily doses of vitamins are essential for health.
In this case, "dawki" is in the genitive case, showing possession or relation to "today's dose" (as specific to the day).