Ge-bismerian

According to the Old English Dictionary:

-bismrian, -bysmerian, -bysmrian;

ge-bismerian

p. ode, ede; pp. od, ed [ge-, bismerian to mack] To mock, laugh at, deride, provoke; illūdĕre, irrīdēre, derīdēre, exacerbāre :-- Draca ðes ðe ðú hywodest to gebismrienne him drăco iste quem formasti ad illūdendum ei, Ps. Lamb. 103, 26. Se ðe eardaþ on heofenum gebismeraþ oððe hyscþ hig qui hăbĭtat in cælis irrīdēbit eos, 2, 4. Ðú, Drihíen, gebysmerast hí tu, Domine, derīdēbis eos, 58, 9. Hí heánne God gebysmredon [MS. gebysmredan] exacerbāvērunt Deum excelsum, Ps. Th. 77, 56. ge-bismerian