遠古

远古
yuǎngǔ
  1. antiquity
  2. ancient times

CEDICT

remote antiquity (often including prehistory)

Wiktionary

上古。

重編國語辭典

Entry Composition

1 遠 yuǎn
  1. far
  2. distant
  3. remote
  4. (intensifier in a comparison) by far
  5. much (lower etc)
2 古 gǔ
  1. ancient
  2. old
  3. paleo-

Related entries

古時 gǔshí antiquity
上古 shànggǔ
  1. the distant past
  2. ancient times
  3. antiquity
  4. early historical times
古代 gǔdài ancient times
古代中國沒有椅子。

There were no chairs in ancient China.

Source: Tatoeba

古昔 gǔxī
  1. (literary) ancient times
  2. in olden days
皇古 huánggǔ ancient times
自古 zìgǔ
  1. (since) ancient times
  2. (from) time immemorial
自古至今，容忍的总是老百姓，被容忍的总是统治者。

Since ancient times, it has always been the commoners who tolerate their ruler.

Source: Tatoeba