A kind of Dāna (charity) (something given with the feeling to help someone);
that Dāna, which is given by someone as a reciprocal act to one who has many a times given Dāna or done bene-ficence to him.
kṛtaṃ mamānena tatprayojanamiti pratyupakārarthaṃ yaddanaṃ tatkṛtam.
(Sthā 10.97 Vṛ Pa 471)