Where does “slaphappy” come from?

slaphappy (English) comes from English happy, from Middle English happy, from Middle English -y, from Old English -iġ, from Proto-West Germanic -g, from Proto-Germanic -gaz, from Proto-Indo-European -ḱos — -y, -ic.

slaphappy (English): Incoherent from being struck; punch drunk; In a...

Definitions

  1. Incoherent from being struck; punch drunk; In a...

Ancestry of “slaphappy”, step by step

slaphappy traces back through two separate lines of ancestry.

via English happy

StepLanguageWordMeaning
1EnglishhappyHaving a feeling arising from a consciousness of...
2Middle Englishhappyfortunate, happy
3Middle English-yDesignates an adjective, in many cases formed by...
4Old English-iġ-y, -ic
5Proto-West Germanic-gForms adjectives from nouns and verbs with a...
6Proto-Germanic-gaz-y
7Proto-Indo-European-ḱos-y, -ic

via English slap

StepLanguageWordMeaning
1EnglishslapA blow, especially one given with the open hand,...
2Middle Englishslappen

Words derived from “slaphappy

Every word from Proto-Indo-European -ḱosEvery word from Old English -iġEvery word from Middle English -y