This is the 6772nd most frequent French word.
kung
The French word "kung" does not have a standard definition in English; it may be a loanword or name.
In this sentence, the word 'kung-fu' refers specifically to the martial art. It is a compound term where 'kung' is part of the phrase.
Je pratique le kung-fu depuis cinq ans.
I have been practicing kung-fu for five years.
Here, 'kung-fu' refers to the category of martial arts with the specific style.
Le style de kung-fu Shaolin est connu pour sa puissance et sa discipline.
The Shaolin kung-fu style is known for its power and discipline.
In this instance, 'kung-fu' denotes the philosophy or set of principles associated with the martial art.