*** Welcome to piglix ***

Keijō

Gyeongseong
Korean name
Hangul 경성
Hanja 京城

Seoul has been known in the past by the successive names Wiryeseong (위례성; 慰禮城, Baekje era), Namgyeong (남경; 南京, Goryeo era), Hanseong (한성; 漢城, Joseon era) or Hanyang (한양; 漢陽). During the period of Japanese invasion and colonization (1910-1945), Seoul was named Keijō (けいじょう; 京城) (in Japanese) or Gyeongseong (경성; 京城) (in Korean). Its current name is Seoul, and this name has been in use since at least 1882, at times concurrently with other names.

Seoul originated from the Korean word “seo'ul” meaning "capital city". An etymological hypothesis presumes that the origin of the native word “seo'ul” derives from the native name Seorabeol (서라벌; 徐羅伐), which originally referred to Gyeongju, the capital of Silla, then called Geumseong (금성; 金城).

Also believed to be the origin of the name Seoul is "Se-ultari," which literally means "new walls" or "new castle." Seoul was a walled castle city from its construction in the early 15th century until most parts of the walls were destroyed during the Korean War (1950-1953).

Unlike most place names in Korea, "Seoul" has no corresponding hanja (Chinese characters used in the Korean language), although its name is presumed to derive from 徐羅伐 (Seorabeol), so Chinese-speaking countries for decades have referred to the city by its former name: 漢城 ("Hànchéng" in Mandarin, "Hon Sing" in Cantonese and "Hoe Zen" in Shanghainese). For a time during the late 1940s and early 1950s, the transliterated name Sūwū 蘇烏, which closely resembles to the English pronunciation for Seoul, was used.

This often caused problems in translation, for in Korean, the terms "Seoul" and "Hanseong" are considered different. There exist many institutions and entities, most of them having no connections whatsoever, which use the two names. When the names of these institutions and entities are translated into Chinese, both "Seoul" and "Hanseong" were automatically translated to 漢城 (Hànchéng). Typical examples of such errors in translation included Seoul National University versus Hansung University, which both would be translated to 漢城大學, as well as Seoul Science High School versus Hansung Science High School.


...
Wikipedia

...