Before the development of a monetary economy, people built houses with the help of their neighbors, so even today building houses is referred to as fushin, or more specifically 'ya fushin' (construction of houses).
貨幣経済の発達前には、近隣の協力を得て家屋を立てたことから、現在においても家を建てることを普請するともいうが、具体的には「家普請」という。