pro et contra
/ˌprəʊ ɛt ˈkɒntrə/Now rare
adverb
‘For and against’; = pro and contra.
noun
Originally: argument, debate; = pro and contra. In later use: advantages and disadvantages.
Origin
Early 16th century; earliest use found in Higden's Polycronycon. From post-classical Latin pro et contra for and against from classical Latin pro for + et and + contra against.