髮腳 [发脚]

Jyutping faat3 goek3
Pinyin fà jiǎo

Definitions (CC-CEDICT)
  1. a length of hair
Definitions (粵典–words.hk)
  1. 名詞
    靠近​頸​部​嘅​頭​髮
    the section of hair on the back of your head where your head joins your neck
Definitions (Kaifangcidian)
  1. 髮邊 – 发边
  2. 髮際 – 发际