Lot of winter sports equipment (source not revealed) encountered (6)
I believe the answer is:
kismet
'lot' is the definition.
(I've seen this before)
'winter sports equipment source not revealed encountered' is the wordplay.
I cannot really understand how this works, but
'encountered' could be 'met' ('meet' can be a synonym of 'encounter') and 'met' is found within the answer.
This may be the basis of the clue (or it may be nonsense).
'of' acts as a link.
Can you help me to learn more?
(Other definitions for kismet that I've seen before include "Turkish fate, destiny" , "Will of Allah" , "Destiny; 50s musical" , "Broadway musical" , "lot in life" .)