 These practices were paired to mindfulness and insight, and given a new interpretation.Kalupahana also argues that the Buddha "reverted to the meditational practices" he had learned from Alara Kalama and Uddaka Ramaputta.The term 'Samadhi' derives from the root sam-a-dha, which means 'to collect' or 'bring together', and thus it is often translated as 'concentration' or 'unification of mind'.