What is "shuddhananda"

Swami Shuddhananda who was the fifth president of the Ramakrishna Order, was a direct monastic disciple of Vivekananda. He joined the Ramakrishna Math in 1897. He became a trustee of Ramakrishna Math and a member of the governing body of Ramakrishna Mission in May 1903. He also took up the editorship of the Bengali magazine called Udbodhan for sometime. He was appointed as the secretary of the math and the mission in 1927 and as the vice president in 1937. In 1938 he became the president of the order. His tenure was short, as he died in 1938. He is renowned in the literary circles to have translated most of Vivekananda's original works from English to Bengali.