The Philosophical Meaning of Mandailing Tribe Customs in Ulu Barumun Sub-District in the Use of Flora and Fauna Lexicon: An Ecolinguistic Study

This research discusses the philosophical meaning of Mandailing tribal customs in Ulu Barumun District in the use of flora and fauna lexicon: an ecolinguistic study. This research focuses on the problem, namely what are the philosophical meanings of customs contained in Ulu Barumun District, Padang Lawas Regency in the use of flora and fauna lexicon: an ecolinguistic study.  The purpose of this study is to describe the philosophical meaning of Mandailing tribal customs in Ulu Barumun District, Padang Lawas Regency in the use of flora and fauna lexicon: an ecolinguistic study. The research method used in this research is qualitative with descriptive qualitative research design. The data in this study were collected by conducting direct interviews with 30 informants and direct observation at the research location. The informants chosen in this study are people in Ulu Barumun Subdistrict who have knowledge about customs and understand the use of flora and fauna lexicon in Mandailing tribal customs. There are 25 customs in Ulu Barumun Sub-district in the use of flora and fauna lexicon. The flora and fauna lexicon contained in their customs represents the wealth and values of personal or individual and social life used in daily life. The use of flora and fauna lexicon contained in their customs produces language components that have a very important role in the language system.