pukul

to hit; to strike; to beat

Root form for physical striking. E.g. memukul bola (to hit a ball), dipukul (to be hit).

o'clock; at (a specific time)

Used to tell time. E.g. pukul 08.00 (at 8 o'clock), pukul berapa? (what time?). This usage comes from the idea of a clock striking the hour.