misanthropism
/mɪˈsanθrəpɪz(ə)m/ /mɪˈzanθrəpɪz(ə)m/noun
= misanthropy.
Origin
Early 19th century; earliest use found in Thomas Jefferson (1743–1826), revolutionary politician and president of the United States of America. From misanthrope adjective + -ism, after misanthropist.