For-tyhtan

According to the Old English Dictionary:

for-tyhtan

p. te; pp. ed To draw away, lead astray, seduce; sedūcĕre :-- Se ealda feónd forlǽrde lygesearwum, leóde fortyhte the old fiend mistaught with lying snares, led astray the people, Elen. Kmbl. 416; El. 208. for-tyhtan