Colne-ceaster

According to the Old English Dictionary:

Colne-ceaster

gen. -ceastre; f. COLCHESTER, Essex, so called from the river Colne; Colcestria, in agro Essexiæ, ad ripam Colnii fluvii :-- Hí fóron to Colneceastre they went to Colchester, Chr. 92i; Erl. 107, 9; 108, 5. colne-ceaster