咽いん頭とう逆ぎゃく流りゅうMeaningsNoun1. pharyngal reflux; laryngopharyngeal reflux (Rare)Kanji used咽windpipe頭head逆reverse流current (in a fluid)Composed of咽いん頭とうpharynxNoun逆ぎゃく流りゅうbackward flow; backflow; countercurrent; reflux; regurgitationNoun