Crossword Genius

Tablet swallowed in the end, by egghead with bad habit (6)

Ross

I believe the answer is:

device

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

'tablet' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Maybe they are linked in a way I don't understand?

'swallowed in the end by egghead with bad habit' is the wordplay.
'in the end' indicates one should take the final letters.
'by' says to put letters next to each other.
'egghead' becomes 'e' (head letter of 'egg').
'with' means one lot of letters go next to another.
'bad habit' becomes 'vice' (a sin or weakness).
The final letter of 'swallowed' is 'd'.
'd'+'e'+'vice'='DEVICE'

Can you help me to learn more?

(Other definitions for device that I've seen before include "Thing made or used for particular purpose" , "Appliance; scheme" , "Scheme, trick; item of equipment" , "Specialised piece of equipment or tool" , "bomb?" .)

I've seen this clue in The Irish Times.
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