reciprocity
UK: ˌrɛsɪˈprɒsɪti | US: ˌrɛsɪˈprɑːsəti
n. the practice of exchanging things with others for mutual benefit
n. a relationship in which two parties give and receive equally
The word traces back to Latin reciprocus, describing alternating motion (like tides). Over time, it evolved to symbolize mutual exchange or balance in actions, relationships, or systems. The suffix -ity formalized it as an abstract concept in English (16th century), emphasizing equitable give-and-take.
The treaty was based on reciprocity, ensuring both nations benefited equally.
In friendships, reciprocity strengthens trust and connection.
Trade agreements often rely on reciprocity to maintain fairness.
She believed in reciprocity, always returning favors with kindness.
The ecosystem thrives through reciprocity among species.