Hellow guys, Welcome to my website, and you are watching '해돋이'는 왜 [해도지]일까?-구개음화 4분 정리 / #국어개념백과사전 [문법편] 4.음운 변동(#구개음화) #국어문법 #문법개념 #음운변동. and this vIdeo is uploaded by 국어 개념 백과사전 at 2020-07-06T00:05:25-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.