Circol-wyrde

According to the Old English Dictionary:

es;

circol-wyrde

m. A calculator, reckoner; computator :-- Feówer síðon syx byþ feówer and twentig: ða syx tída sind genemned þurh ðæra circolwyrda gleáwnysse quadrantes four times six are four-and-twenty: the six hours are called by the wisdom of calculators quadrants, Bridf. 63. circol-wyrde