Ge-fullǽstan

According to the Old English Dictionary:

ge-fullǽstan

p. -lǽste; pp. -lǽst To help, give aid, assist; auxĭliāri :-- Weoruda God gefullǽste, ðæt seó cwén begeat willan in worulde the Lord of Hosts gave aid, that the queen obtained her will in this world, Elen. Kmbl. 2299; El. 1151. ge-fullæstan