Ge-weallan

According to the Old English Dictionary:

ge-weallan

Substitute: I. of liquids, to boil :-- Ofer ðás giscæft wætres ðió from fýre giualla (fervescere) bið geséne, Rtl. 101, 26. II. fig. to be fervent :-- Giualla in Godes lufu ferveat in caritate, Rtl. 105, 3. ge-weallan