Abstract
The aim of this project is to research aspects of the semantic change undergone by constructions with posto que in the light of theoretical assumptions of Grammaticalization (NARROG; HEINE, 2021; BYBEE, 2010, 2015; TRAUGOTT, 2012). The main issue at hand is the historic transition from concessivity > causality, which seems exceptional in view of phylogenetic tendencies, according to which…