源远流长 yuán yuǎn liú cháng

DEFINITIONS

  1. lit. source is distant and the flow is long (idiom); fig. sth goes back to the dim and distant past
  2. a lot of water has flowed under the bridge since then

CHARACTERS

源 yuán spring; source, head; surname
远 yuǎn distant, remote, far; profound
流 liú flow, circulate, drift; class
长 cháng long; length; excel in; leader