noun, suffix
A suffix or noun used to form names of doctrines, movements, or distinctive styles, often attached to a person's name or a concept. As a standalone noun, it refers to a particular doctrine or principle.
彼は独自の経営イズムを持っている。
He has his own management philosophy.
このグループは新しいアートイズムを提唱した。
This group advocated a new art movement.