Ful-georne
Bosworth & Toller Anglo-Saxon Old English Dictionary - ful-georne
According to the Old English Dictionary:
full-georne;
- ful-georne
- ad diligentissĭme, optĭme :-- He wiste fulgeorne ðæt God hine lufode he knew full well that God loved him; qui optime nōvĕrat Dŏmĭnum esse cum eo, Gen. 39, 3. ful-georne