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.
He works according to his own personal philosophy.
He has his own management philosophy.
This group advocated a new art movement.
She stuck to her own principles right to the end.
me-ism; self-centeredness
Borrowed from English 'ism', itself from the suffix '-ism'.