Loss of nerve

Wikipedia Word definitions in Wikipedia
The fourth series of the British comedy drama television series Cold Feet was aired on the ITV network from 18 November to 10 December 2001. Eight episodes were broadcast over four weeks and the final episode was extended to 72 minutes. The plot of the ...

WordNet Word definitions in WordNet
n. timidity that prevents the continuation of a course of action; "I was going to tell him but I got cold feet"

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1893, American English; the presumed Italian original ( avegh minga frecc i pee ) is a Lombard proverb meaning "to have no money," but some of the earliest English usages refer to gamblers, so a connection is possible.