尾綴 [－缀]

Jyutping mei5 zeoi6
Pinyin wěi zhuì

Definitions (CC-CEDICT)
  1. (lit.) to follow sb
  2. (linguistics) suffix
  3. ending
  4. (computing) file name extension
Definitions (Wiktionary)
  1. noun
    suffix
    (syn.) 後綴, 后缀