kumbhaka

pūra-kumbhaka-recakaiḥ by inhaling, retaining and exhaling; SB 3.28.9
pūra-kumbhaka-recakaiḥ by inhaling, exhaling and holding, which are technically known as pūraka, kumbhaka and recaka; SB 7.15.32-33
pūra-kumbhaka-recakaiḥ by the mechanical breathing exercises, or prāṇāyāma; SB 11.14.32-33