"Ivan Turgenev" is not a common English word but rather the name of a famous Russian writer. Here's an easy explanation for you:
Ivan Turgenev (1818-1883) was a Russian author known for his stories, novels, and plays. His writing often explores themes of love, nature, and the social changes happening in Russia during his time. He is considered one of the great writers of Russian literature.
When you talk about Ivan Turgenev, you are discussing a significant figure in literature who contributed greatly to Russian and world literature.