Ofer-geswincfull

According to the Old English Dictionary:

ofer-geswincfull

adj. Excessively laborious or troublesome :-- Þis wæs on eallon þingan swíðe hefigtýme geár, and ofergeswincfull on ungewederan, þá man oððe tilian sceolde oððe eft tilða gegaderian, Chr. 1098 ; P. 234, 2. ofer-geswincfull