Where does “kerflap” come from?

kerflap (English) comes from English flap, from Middle English flap.

kerflap (English): A sudden flapping sound

Definitions

  1. A sudden flapping sound

Ancestry of “kerflap”, step by step

StepLanguageWordMeaning
1EnglishflapAnything broad and flexible that hangs loose, or...
2Middle Englishflap
Every word from Middle English flap
kerflap — Etymology, Origin & Word History | Etymology Explorer