Korean slang profile
KTX
ktx
Korean high-speed train service
An English abbreviation for Korea’s high-speed trains and their operating service.
- Expanded form
- Korea Train eXpressKorea Train eXpress
- Other spellings
- 케이티엑스
- Earliest source found
- Nov 16, 2003
- Documented trend period
- Not verified
This is the earliest source we have verified, not the date the term was coined.
01Examples, with English translations
- Example by Julimmal
명절을 앞두고 KTX 표를 예매했다.
I booked a KTX ticket ahead of the holiday.
02Documented history
- 2003-11-16Dong-A Ilbo reported confirmation of the high-speed train’s name and paired KTX with its expanded form.[3]
- Source with unverified publication dateKorea Railroad Corporation’s fifth-anniversary opening press release pairs KTX with Korea Train eXpress and describes high-speed train operations.[1]
03Origin & word formation
Korea Railroad Corporation’s fifth-anniversary opening press release pairs KTX with Korea Train eXpress and describes high-speed train operations. Who first used it and when have not been verified.
Evidence for the origin explanationHigh
The formal name, definition, and independent abbreviation in the text were directly compared. The first naming and use have not been verified. An earlier article was also directly opened to compare the spelling, context, and publication-date metadata and move firstSeen earlier. The institution’s onscreen creation date 2009-03-30 was retained only in the research record, and its date field was omitted. firstSeen reflects direct comparison with the earlier 2003 naming article.
04Sources
Original titles and links are preserved. An English translation does not replace the original source.
- KTX5년...더 사랑하겠습니다. 더 사랑받겠습니다. (한국철도공사)Original source checked Nov 14, 2026
- <KTX 개통5년>②지구2천517바퀴 운행 (연합뉴스)Published Mar 29, 2009Original source checked Nov 14, 2026
- 고속열차 명칭 KTX로 확정 (동아일보)Published Nov 16, 2003Original source checked Nov 14, 2026