reciprocity
noun
[ ˌrɛsɪˈprɒsɪti ]
• the practice of exchanging things with others for mutual benefit, especially privileges granted by one country or organization to another.
• "the Community intends to start discussions on reciprocity with third countries"
Origin:
mid 18th century: from French réciprocité, from réciproque, from Latin reciprocus ‘moving backwards and forwards’ (see reciprocate).
