The temple's name is formed from the 'ryu' character of 'Ryohozan,' the sango (literally, "mountain name"), which is the title prefixed to the name of a Buddhist temple, of Daitoku-ji Temple, and the 'gen' character of Shogen Ichimyaku who was the pure successor of Zen deriving from Songyuan Chongyue ('Shogen Sugaku' in Japanese), the founder of the Shogen lineage of the Rinzai Sect in China.
大徳寺の山号である龍宝山（りゅうほうざん）の「龍」と中国・臨済宗松源派の祖・松源崇岳（しょうげんすうがく）の禅を正しく継承する松源一脈の「源」の2文字を採ったものである。