Quid pro quo
Latin phrase meaning "something for something"
The phrase means the same thing as the English saying "a tit for a tat", or trading something for something else. It can also mean the same thing as "an eye for an eye".
Lawyers sometimes use this saying to mean "an even trade".
- Quid pro quo means reciprocity
- Robertson, John G. (1991). Robertson's Words for a Modern Age: A Cross Reference of Latin and Greek Combining Elements, p. 249.