T: Aw, no, not Surrey again...
Based on your comment about it being guessed early, I think the first part must be 'fat[ty]', but Fredegar is already gone, and Fatty Lumpkin (Tom Bombadil is
harsh on his pony) doesn't have a silibant. That's all I can...
... ah. Dorking, right? Poor old FATTIE DORKINS, of
Mr. Bliss fame. (Who knew that owning such a strange book would pay such dividends in the noble sport of passwordery?) The straight clue is nice and sneaky on this one.
hS, off to bury my head in shame for misspelling Lalia's name