Centiso

According to the Old English Dictionary:

Centiso

adj. KENTISH, belonging to Kent; Cantianus :-- Seó Centisce fyrd corn ongeán hí the Kentish force came against them, Chr. 999; Th. 249, 6, col. 2. Ætsǽton ða Centiscan ðǽr the Kentish [men] remained there, 905; Erl. 98, 23. centiso