Mis-bysnian

According to the Old English Dictionary:

mis-bysnian

p. ode To set a bad example :-- Gif ða láreówas wel tǽcaþ and wel bysniaþ ðonne beóþ hí gehealdene; gif hí mistǽcaþ, oððe misbysniaþ, hí forpǽraþ hí sylfe, Homl. Th. ii. 50, 3-5. mis-bysnian