Crossword Genius

Passing under the name of 'Aka'? (5)

Ross

I believe the answer is:

alias

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

''aka'?' is the definition.
(I've seen this before)

'passing under the name' is the wordplay.
I cannot quite see how this works, but
'name' could be 'lia' and 'lia' is located in the answer.
The remaining letters 'as' is a valid word which might be clued in a way I don't understand.
This may be the basis of clue (or it may be nonsense).

'of' is the link.

Can you help me to learn more?

(Other definitions for alias that I've seen before include "Also known as" , "False identity" , "aka" , "it may be assumed" , "Alternative name" .)

I've seen this clue in the Evening Standard.
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