刀銎 [－－]

Jyutping dou1 kung4
Pinyin dāo qióng

Definitions (Wiktionary)
  1. noun, Min-Nan
    back of a knife blade
    (syn.) 刀背兒, 刀背子, 刀枕, 刀背, 銎 GT, 刀銎, 刀銎 GT, 刀背脊, GT - General Taiwaneseno specific region identified)