The secret history of grammaticalization

James McElvenny Universität Potsdam Research into grammaticalization has an established pedigree, first certified by Lehmann (2015[1982]: 1-9) and confirmed, with various additions, by Heine et al (1991: 5-23) and Hopper & Traugott (2003[1993]: 19-38).[1] The standard genealogy records the birth…