For-swerian

According to the Old English Dictionary:

for-swerian

p. -swór, pl. -swóron; pp. -sworen To FORSWEAR, to swear falsely, perjure; ejūrāre, pējĕrāre :-- He sigewǽpnum forsworen hæfde he had forsworn martial weapons, Beo. Th. 1613; B. 804. Ic forswerige pējĕro, Ælfc. Gl. 84; Som. 73, 98; Wrt. Voc. 49, 6. Ne forswere ðú non perjūrābis, Mt. Bos. 5, 33. Gyf gehádod man forswerige oððe forlicge, gebéte ðæt be ðæm ðe seó dǽd sý if a man in orders swear falsely or fornicate, let him make amends for it according as the deed may be, L. E. G. 3; Th. i. 168, 5. Gif hwylc lǽwede man hine forswerige, fæste iv geár if any layman perjure himself, let him fast four years,L. Erg. P. ii. 24; Th. ii. 192, 6, 14. Forsworen perjūrus, Wrt. Voc. 86, 69: Gen. 24, 8. We ne beóþ forsworene ĕrĭmus mundi ab hoc jūrāmento, Jos. 2, 20. He hine forsworenne and trýwleásne clypode he called him forsworn and faithless. Chr. 1094; Erl. 229, 32. Ða forsworenan mid forsworenum forwurþaþ perjurers shall perish with perjurers, Homl. Th. i. 133, 24. [Ger. sich ver-schwören to conspire.] for-swerian