From Old English clǣnsian, from West Proto-Germanic *klainisōną, from *klainiz (“clean”). Cognate with archaic Dutch kleinzen (“to clean; to purify”).
cleanse (third-person singular simple present cleanses, present participle cleansing, simple past and past participle cleansed)
- (transitive) To free from dirt; to clean, purify.
2013 June 1, “A better waterworks”, The Economist, volume 407, number 8838, page 5 (Technology Quarterly):
- An artificial kidney these days still means a refrigerator-sized dialysis machine. Such devices mimic the way real kidneys cleanse blood and eject impurities and surplus water as urine.
- (transitive) To spiritually purify; to free from sin or guilt; to purge.