disquisition
noun/ˌdɪskwɪˈzɪʃn/
/ˌdɪskwɪˈzɪʃn/
(formal)- a long complicated speech or written report on a particular subjectWord Originlate 15th cent.: via French from Latin disquisitio(n-) ‘investigation’, based on quaerere ‘seek’. The original sense was ‘topic for investigation’, which became ‘discourse in which a subject is investigated’ (mid 17th cent.).
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disquisition