Daily Chinese Idiom Wordle Game
由来已久 (yóu lái yǐ jiǔ)
It has been a long time since something started; existing for a long time.
Literal: 由来 (origin) 已 (already) 久 (long)
This tradition is long-standing and has been passed down for generations.
Think about something that has deep roots or a long history.
The second character means 'come' or 'source'.