This study aims to examine the social context of the usage of collocations related to "Dongtan" in online communities and analyze the process by which the place name has become entrenched as a neologism. The research material comprised posts from a real estate gallery on the online community DCinside from January 2021 to December 2023. Based on the text data collected from these posts, the collocations used with the keyword "Dongtan" were categorized according to their usage patterns in terms of category, period, and meaning. Thus, the collocations were classified into five chief categories and confirmed to have positive, negative or ambivalent meanings. This study quantitatively analyzes the changes in the frequency of usage and appearance of "Dongtan" and related collocations over time. Furthermore, it examines the meanings of the words used in conjunction with "Dongtan" in actual texts within their social context. Using this analysis, the study reflects on how the meanings of collocations related to "Dongtan" are changing and expanding in usage.

Abstract
1. 서론
2. 연구 방법
3. 분석과 결과
    3.1. 카테고리별 분석
    3.2. 시기별 분석
    3.3. 의미별 분석
4. 결론
참고문헌

• 김민령(Ph.D. student, Department of Korean Language and Literature, Chung-Ang University; 84, Heukseck-ro, Dongjak-gu, Seoul, South Korea) | Minyoung Kim
• 이승호(Ph.D. student, Department of Korean Language and Literature, Chung-Ang University; 84, Heukseck-ro, Dongjak-gu, Seoul, South Korea) | Seung-ho Lee Corresponding author