Particle per means resume, each, every. Its synonyms are: mulai, tiap, demi. It’s written separately with the word it follows.
- Pegawai negeri mendapat kenaikan gaji per(mulai) 1 April.
- The officials get salary increase as of 1 April.
- Mereka masuk ke dalam ruangan satu per(demi) satu.
- They go into the room one by one.
- Harga kain itu Rp 2.000.000 per(tiap) meter.
- The price of that cloth is 2,000,000 rupiahs per metre.