The most common and most likely answer to this crossword clue is the 8 letter word TEALIGHT
I've seen this crossword clue in The Daily Telegraph
T
E
A
L
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T
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does TEALIGHT mean?
TEALIGHT noun- A small, typically circular candle encased in a thin metal cup, so that it liquefies completely when lit and burns as a wick immersed in molten wax.