開新燈 [开－灯]

Jyutping hoi1 san1 dang1
Pinyin kāi xīn dēng

Definitions (粵典–words.hk)
  1. 動詞
    傳統​習俗​，​喺​生​咗​個​男仔​之​後​，​第二年​元宵​節​喺​祖先​靈位​前掛​一盞​宮燈
    tradition of lantern lighting in celebration of births of male infants
  2. 近義詞
    點燈