Word약효yakhyoMeaningmedicinal effectPart of speechnounPronunciationCourseHardcore KoreanLessonLesson 42Usages of yakhyo약효 덕분에 재채기가 조금 덜 나.yakhyo deokbune jaechaegiga jogeum deol na.Thanks to the medicine’s effect, I’m sneezing a little less.