English
kerwallop
From ker- + wallop.
Proto-Indo-European *klaub- ‘to spring, stumble’
Proto-Germanic *hlaupaną ‘to run, leap, spring’
Frankish *wala hlaupan ‘to run well’
Old Northern French walop ‘gallop’
Middle English wallopen ‘gallop’
English wallop
Today it means
noun A sudden wallop or onrush.
Language periods are conventional ranges, not dates for this word.
Etymograph / kerwallop