How the Entrenchment-and-Conventionalization Model might enrich Diachronic Construction Grammar

Explanations of language change in terms of Diachronic Construction Grammar generalize over gradual adaptations of the linguistic behaviour of individual speakers and communities. Presenting a diachronic case study of the pattern (the) (Adj) thing (clauserel) is (is) (that), I argue that the time course of formal, semantic and pragmatic changes, of changes in frequency and of changes regarding dispersion over speakers and choices of lexical items offer a glimpse of the gradual individual and communal adaptations underlying processes such as constructionalization and constructional change. I interpret data extracted from various corpora from the perspectives of Diachronic Construction Grammar and the Entrenchment-and-Conventionalization Model (Schmid 2020) and discuss how the latter perspective might enrich the former.