For-ðon
Bosworth & Toller Anglo-Saxon Old English Dictionary - for-ðon
According to the Old English Dictionary:
for-ðon-ðe;
- for-ðon
- conj. For that, for, because; quia, quŏniam :-- Forðon ðú ofslóge ealle quŏniam tu percussisti omnes, Ps. Spl. 3, 7. Forðonðe wyste Drihten weg rihtwísra quŏniam nōvit Dŏmĭnus viam justōrum, 1. 7. conj. for-ðon,forþ-on