This is the 10161st most frequent Polish word.
bolącą
"Bolącą" means "hurting" or "aching."
The word 'bolącą' is used as an adjectival form of the verb 'ból' (to hurt), describing the condition of the ankle as 'aching'.
Mam ból w nodze, bolącą kostkę mnie martwi.
I have pain in my leg; the aching ankle worries me.
Here, 'bolącą' describes the arm, emphasizing the feeling of ache or pain caused by prior activity.
Podniosłem ciężki plecak, czując bolącą rękę.
I lifted the heavy backpack, feeling the aching arm.
In this sentence, 'bolącą' is used to describe the head affected by pain, linking it to the situation of the long day's impact.