OE (Parker) anno 1070 Landfranc crafede fæstnunge his gehersumnesse mid aðswerunge.
1867 Jan. 192 If you would see the oath-swearing system in all its fullness of perfection, take thyself unto Bow Street.
1959 24 12/1 The refusal of sects..to accept conventionalized sacred practices such as oath-swearing.