灰甲 [－－]

Jyutping fui1 gaap3
Pinyin huī jiǎ

Definitions (粵典–words.hk)
  1. 名詞
    指甲​受​真菌​感染
    onychomycosis
Definitions (Wiktionary)
  1. noun
    onychomycosis; ringworm of the nails
    (syn.) 甲癣, 油灰指甲, 甲癬, 灰指甲, 甲真菌病