Does she make sibilant sounds during tea? (5)

I believe the answer is:

tessa

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'does she' is the definition.
'Tessa' can be an answer for 'she'. I am not sure about the 'does' bit.

'sibilant sounds during tea?' is the wordplay.
'sibilant sounds' becomes 'ss' (this might be a standard abbreviation of which I'm unaware).
'during' is an insertion indicator.
'ss' inserted within 'tea' is 'TESSA'.

'make' is the link.

Can you help me to learn more?

(Other definitions for tessa that I've seen before include "Girl's name; former savings account" , "Dahl or Jowell" , "Girl" , "Woman" , "Girl's name, forerunner of ISA" .)

I've seen this clue in the Evening Standard.

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