Or·phism 
(ôr
f
ĭz
′əm)
n.1. An ancient Greek mystery religion arising in the sixth century BC from a synthesis of pre-Hellenic beliefs with the Thracian cult of Zagreus and soon becoming mingled with the Eleusinian mysteries and the doctrines of Pythagoras.
2. often orphism A short-lived movement in early 20th-century painting, derived from cubism but marked by a lyrical style and the use of bold color.
[French orphisme, from Orphée, Orpheus, from Greek Orpheus.]
Orphist n.