Passion in part of contest (4)
I believe the answer is:
heat
This could be a double definition.
'passion' is the first definition.
(I know that passion can be written as heat)
'part of contest' is the second definition.
'heat' can be an answer for 'contest' (I have seen 'Preliminary contest ' mean 'heat' so perhaps 'contest' could also mean 'heat'). I'm not sure about the 'part of' bit.
'in' acts as a link.
Can you help me to learn more?
(Other definitions for heat that I've seen before include "High temperature" , "Vehemence" , "Energy that caues a rise in temperature" , "eliminating round" , "Raise temperature" .)