In the literature. it is often assumed that ergative constructions originate in passive constructions. The present contribution explores the likelihood of such a passive-to-ergative analysis for one language (Tima. Niger-Congo. https://www.diegojavierfares.com/quick-offer-Explore-Caravan-Scissor-Jack-ADR-Australian-Standard-1600Kg-CSJ1600-mega-choice/