The history of Daejeon started as a small village called Hanbat , which is a different term in Korean Language that has the same meaning as Daejeon ; a grand field .
The Daejeon area was historically known as Hanbat ( í ë ) , a native Korean term for `` large field '' , during the Joseon Dynasty . The term `` Daejeon '' simply means the same thing in Hanja .