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stillicide

British  
/ ˈstɪlɪˌsaɪd /

noun

  1. law a right or duty relating to the drainage of water from the eaves of a roof onto adjacent land

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of stillicide

C17: from Latin stillicidium, from stilla drop + -cidium, from cadere to fall