This is the 244th most frequent Indonesian word.
dulu
"Dulu" means "formerly," "before," or "in the past."
In this sentence, "dulu" indicates a time in the past, specifying when the speaker lived in Bali.
Saya pernah tinggal di Bali dulu.
I used to live in Bali before.
Here, "dulu" is used to suggest priority, indicating that the other person can go first.
Anda bisa pergi dulu, saya akan menyusul.
You can go first, I will follow later.
In this context, "dulu" expresses an action that will be completed before another activity starts.