Reciprocity is the practice of exchanging things for mutual benefit. Trade reciprocity, on a basis of reciprocity, expect reciprocity.
In diplomacy it is the working principle behind almost everything, since visa rules and expulsions are matched move for move. In psychology it names the strong human impulse to return a favour, which is what every free sample relies on.
1nounreciprocityThe practice of exchanging things for mutual benefit.
“Friendship works on reciprocity: if I help you move house, you help me.”
reciprocity is an exchange.
French reciprocite comes from Latin reciprocus, moving back and forth.
French
réciprocité
English, today
reciprocity
From French réciprocité.
Etymology from Wiktionary, CC BY-SA