Ge-twífyldan

According to the Old English Dictionary:

ge-twífyldan

l. ge-twifildan, and add :-- Getwyfylden ingeminent, Wrt. Voc. ii. 44, 22. Mín sár is getwyfyld, Hml. S. 33, 269. Þǽr bið getwifeld quo bimetur (duplicetur), Hpt. 31, 16, 443. Getwifeld duplicata, Hy. S. 104, 25. Þá fíf pund hé bróhte his hláforde getwyfylde, Hml. Th. ii. 554, 32. ge-twifyldan