abjuration
noun
ab·ju·ra·tion ˌab-jə-ˈrā-shən 
1
: the act or process of abjuring
2
: an oath of abjuring
Example Sentences
Recent Examples on the Web On reaching his destination, the abjuror was supposed to wade into the sea and cry out for passage (the main route in this high period of abjuration was from Dover to Wissant, just across the Channel). 
Rafil Kroll-zaidi, The New York Review of Books, 3 Nov. 2020 On abjurations and conversions among Jews in 1938–39, see De Felice, Storia degli ebrei sotto il fascismo, 334.5. Ruth Ben-ghiat, Slate Magazine, 20 Jan. 2017
Rafil Kroll-zaidi, The New York Review of Books, 3 Nov. 2020 On abjurations and conversions among Jews in 1938–39, see De Felice, Storia degli ebrei sotto il fascismo, 334.5. Ruth Ben-ghiat, Slate Magazine, 20 Jan. 2017 Word History
Etymology
Middle English abjuracioun, borrowed from Anglo-French abjuracion, borrowed from Medieval Latin abjūrātiōn-, abjūrātiō, going back to Late Latin, "repudiation," from Latin abjūrāre "to repudiate" + -tiōn-, -tiō, suffix of action nouns — more at abjure
First Known Use
15th century, in the meaning defined at sense 1