Proto-Sino-Tibetan: *rɨăk
Meaning: rob, plunder
Tibetan: ãphrog (p., i. phrogs, f. dbrog) to rob, take away, to deprive of.
Lushai: rok to plunder, loot, spoil.
Lepcha: krjuk to be deprived, emptied of its virtue as comb of bees, after honey is extracted
Kiranti: Kulung rɔ:ma (rɔks-) 'plunder'