太古宙

Traditional form:

太古宙

Pinyin (reading):

Tàigǔzhòu

Definitions:

• Archaean (geological eon before 2500m years ago)

Characters:

• 太 - very, too much; big; extreme
• 古 - old, classic, ancient
• 宙 - space, time, space-time

Traditional characters:

• 太 - very, too much; big; extreme
• 古 - old, classic, ancient
• 宙 - space, time, space-time