veisalgia
n.— «In a 2000 journal article, Wiese and co-authors coined a term for such hangovers: veisalgia, from the Norwegian word kveis, meaning “uneasiness following debauchery,” and algia, Greek for pain.» —“Hangover helper: An extract of prickly pear cactus” by Rita Rubin USA Today June 28, 2004. (source: Double-Tongued Dictionary)