reciprocate

Meaning

Verb

• To exchange two things, with both parties giving one thing and taking another thing.
• To give something else in response (where the "thing" may also be abstract, a feeling or action) To make a reciprocal gift.
• To move backwards and forwards, like a piston.
• To counter, retort or retaliate.

Origin

• From Latin recīprocō, possibly from a phrase such as reque proque, from re-, prō and -que. Compare reciprocal.