坎離砂 [－离－]

Jyutping ham1 lei4 saa1
Pinyin kǎn lí shā

Definitions (Wiktionary)
  1. noun
    A blackish-brown coarse powder used in traditional Chinese medicine "to dispel wind-cold, promote blood circulation and relieve pain in the treatment of rheumatic or rheumatoid arthralgia with numbness of the limbs, and epigastric pain".