Translation of dulu in English:
dulu
formerly, previously
(dahulu)
1
formerly, previously‘dulu dia tinggal di New York’ — he formerly lived in New York‘dulu kala’ — long ago2
first before you do something else‘mari kita berenang dulu sebelum pulang’ — let's go for a swim first before we go home3
before, first, prior‘lebih baik Anda berangkat dulu, nanti saya menyusul’ — you should leave first, I'll catch up later4
for the time being‘tunggu dulu’ — hang on for a moment