animal spirits

== English == === Etymology === From Middle English spirite animal; equivalent to animal (adjective) +‎ spirits. === Noun === animal spirits pl (plural only) (medicine, now historical) The theorized ‘spirits’ or physiological principles which allowed for sensation and voluntary movement. [from 15th c.] Liveliness, vivacity, a happy tendency to action. [from 18th c.] (economics) After Keynes (citation 1936, above), the emotional and intuitive factors that drive business decisions whether to make investment gambles. [from 20th c.] === References === === Anagrams === spirit animals