亙古 [亘－]

Jyutping gang2 gu2
Pinyin gèn gǔ

Definitions (CC-CEDICT)
  1. throughout time
  2. from ancient times (up to the present)
Definitions (Wiktionary)
  1. adv
    since time immemorial
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）