Ge-swinclic

According to the Old English Dictionary:

ge-swinclic

adj. That requires labour, laborious, hard (of work) :-- Bebeád Drihten eów þæt gé healdan þone Sunnandæg fram ǽlcum geswinclicum worce (non facies omne opus in eo), Wlfst. 294, 18. ge-swinclic