Crossword Genius

Dickensian beadle, beginning to behave like Uriah Heep? (6)

Ross

I believe the answer is:

bumble

I'm a little stuck... Click here to teach me more about this clue!

'dickensian' is the definition.
(I have seen 'A Dickensian' mean 'bumble' so perhaps 'dickensian' could also mean 'bumble')

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for bumble that I've seen before include "Muddle (through); sort of bee" , "Drone" , "who served gruelling regime in workhouse?" , "[MESS UP]" , "A Dickensian" .)

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