citta-santāna: 'consciousness-continuity'; s. santāna.

Buddhist Dictionary, Manual of Buddhist Terms and Doctrines, by NYANATILOKA MAHATHERA

citta-santāna (Sanskrit). Literally, ‘the stream of mind’, a general term used to indicate the continuity of the personality of an individual in the absence of the permanently abiding ‘self’ (ātman) that Buddhism denies.

A Dictionary of Buddhism, Oxford University Press, 2003, 2004 (which is available in electronic version from answer.com)