From Wiktionary, the free dictionary
From រុក (ruk, “to shove forcibly, to thrust into a narrow space”) with infixed -b- (instrumental).
របុក • (rɔbok)
- rod, stick, prod
- stick used to chase animals from their burrows
- cleaning rod, small brush (for bottles)
- used in the compound របររបុក (rôbârrôbŏk, “odd jobs, trivial tasks”)