Wiþer-sacian

According to the Old English Dictionary:

wiþer-sacian

p. ode. I. to blaspheme :-- Ðam ðe wiðersacaþ ongén háligne gást, ne bið dam forgyfen eí, qui in spiritum sanctum blasphemauerit, non remittetur, Lk. Skt. 12, 10. Swá hwylc man swá wyþersacaþ (blasphemes, blasphemantium, Scint. 209, 5. II. to be apostate :-- Wiðersaca[n]dan apostataverant, Hpt. Gl. 510, 49. Wiðersacedan apostatarent, 513, 24. Wiðersacian apostatare, 493, 25: apostare, 477, 68. [Cf. O. H. Ger. widar-sachan recusare.] wiþer-sacian

Related words: Gospel of Nicodemus c. 4, v. 7) ðam Cásere, hé byþ deáþes scyldig, Nicod. 10; Thw. 5, 23. Wiþersacendra