Van Gennep, the father of formal processual analysis, used two sets of terms to describe the three phases of passage from one culturally defined state or status to another.
Turner canonizes van Gennep as the originator of processual ritual analysis and systematically unpacks his dual terminological framework of separation/margin/reaggregation and preliminal/liminal/postliminal.
, The Ritual Process Structure and Anti-Structure, 1966thesis