Ceaster-geat ?

According to the Old English Dictionary:

:-- Ðis is ðæs wuda gemǽre ... ðæt is, ǽrest æt ceastergeate tó ceasterwege; ondlong ceasterweges tó middelwege; of middelwege eft tó ceastergeate; of ðǽm geate tó longan leáge, C. D. iii. 260, 4-7. ceaster-geat

ceaster-geat ?