emptio-venditio
noun
emp·tio-ven·di·tio
ˈem(p)tēˌōˌwenˈditēˌō
variants or emptio et venditio
-tēˌō(ˌ)et(ˌ)w-
: the consensual contract between two parties for the purchase of something by one party and its sale by the other at an agreed price
Word History
Etymology
Latin emptio et venditio buying and selling