Fyrst-gemearc

According to the Old English Dictionary:

es;

fyrst-gemearc

n. An appointed time, space of time; tempus constĭtūtum, tempŏris spătium :-- Ne biþ ðæs lengra swice sáwelgedáles ðonne seofon niht fyrstgemearces there will be no longer evasion of the soul-separation than seven nights of time's space, Exon. 47 b; Th. 164, 9; Gú. 1009: Andr. Kmbl. 1861; An. 933. fyrst-gemearc