This is the 371st most frequent Indonesian word.
kamu
"You" (informal).
The word 'kamu' functions as the pronoun 'you', referring to the person being addressed in an informal context.
Kamu adalah teman yang baik.
You are a good friend.
In this sentence, 'kamu' is used as the subject pronoun 'you', questioning the addressed person's status regarding eating.
Apakah kamu sudah makan?
Have you eaten yet?
'Kamu' appears in its affixed form 'mu', indicating possession ('your') or relating to the individual directly ('you').