This is the 2396th most frequent Turkish word.
gücünü
"Your strength" or "its strength" depending on context.
In this sentence, 'gücünü' refers to the 'power' or 'strength' of the wind, used as a possessive form in the accusative case to indicate it as the object of the verb 'lost' (kaybetti).
Rüzgar gücünü kaybetti.
The wind lost its strength.
Here, 'gücünü' signifies the person's own 'power' or 'strength,' again in the possessive accusative form, indicating ownership and direct object relationship in the realization.
Kendi gücünü fark etti.
He/She realized their own strength.
In this example, 'gücünü' refers to the 'power' of the generator, indicating usage and ownership, in the possessive accusative case.