Where does “whacking” come from?

Whacking comes from English thwack, which derives from Middle English thakken, Old English þaccian, Proto-Germanic þakwōną, and Proto-Indo-European tag-, meaning to strike or hit.

whacking (English): present participle of whack; Exceptionally large;...

Definitions

  1. present participle of whack; Exceptionally large;...

Ancestry of “whacking”, step by step

StepLanguageWordMeaning
1EnglishwhackThe sound of a heavy strike; The strike itself;...
2Malayhentamto hit hard
3Classical Malayهنتم
Every word from Classical Malay هنتمEvery word from Malay hentamEvery word from English whack