Yfelsian

According to the Old English Dictionary:

yfelsian

p. ode To blaspheme :-- Yfelsaþ, tǽleþ blasuemiat (blasphemat, Mt. Kmbl. Lind. 9, 3. Ebolsas (heofolsaþ, Rush.), Mk. Skt. Lind. 2, 7. Ebolsas (eofolsas, Rush.), 3, 29. Ebolsaþ (eofolsigaþ, Rush.), Lk. Skt. Lind. 12, 10. Efolsade (efalsade, Rush.) blasphemavit, Mt. Kmbl. Lind. 26, 65. Ebolsadon (eofulsadun, Rush.), Mk. Skt. Lind. 3, 28. Ebolsande (wéron) blasphemabant, 15, 29. Eofolsende, Jn. Skt. Rush. 10, 36. v. ge-ebolsian, and next word: cf. also, two preceding words, and eoful-sæc. yfelsian

Related words: Mk. 2, 7), Wrt. Voc. ii. 73, 21. In the Northern Gospels the same Latin verb is translated by the following forms :-- Ebalsas (hefalsaþ, Rush.)