Noun
English Wikipedia has an article on:rising dampWikipedia
rising damp (uncountable)
A condition caused by ground moisture rising up a masonry wall by capillary action
His enduring popularity and fame came in particular from playing Rupert Rigsby in the British comedy television series and film Rising Damp from 1974 to 1980, and Reginald Perrin, in The Fall and Rise of Reginald Perrin from 1976 to 1979. Source: Internet
He reprised Rigsby for a film version of Rising Damp in 1980, thus achieving the distinction of playing the same role on stage, television and film. Source: Internet