In the interval, etiquette demands the man-servant appears (5)
I believe the answer is:
valet
'the man-servant appears' is the definition.
I can't tell whether this defines the answer.
'in the interval etiquette' is the wordplay.
'in' says the answer is hidden in the clue.
'VALET' is hidden in the letters of 'the interval etiquette'.
'demands' acts as a link.
Can you help me to learn more?
(Other definitions for valet that I've seen before include "Man's personal attendant" , "Man's man" , "Clean (a car); attendant" , "Gentleman's gentleman" , "Clean inside" .)