Complex sentence: Freud first used the term "psychoanalysis" (in French) in 1896; his book "Die Traumdeutung" ("The Interpretation of Dreams "), which he saw as his"most significant work", appeared in November 1899.
Split into simpler sentences: Freud first used the term "psychoanalysis" (in French) in 1896. His book "Die Traumdeutung" ("The Interpretation of Dreams "), which he saw as his"most significant work", appeared in November 1899.