Reuptake is the mechanism by which a neurotransmitter is taken back into the axon terminal from where it was released.1,2
References:
1. Synaptic transmission. In: Augustine GJ, Groh J, Huettel S, et al. (eds). Neuroscience. 7th edition. Oxford University Press, 2023.
2. Caire MJ, Reddy V, Varacallo MA. Physiology, synapse. StatPearls [internet]. 2023.