Where does “snap-happy” come from?

snap-happy (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.

snap-happy (English): Overly fond of and inclined to take photographs

Definitions

  1. Overly fond of and inclined to take photographs

Ancestry of “snap-happy”, step by step

snap-happy 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 snap

StepLanguageWordMeaning
1EnglishsnapA quick breaking or cracking sound or the action...
2Dutchsnappento get, to understand; to catch in the act
3Middle Dutchsnappen
Every word from Proto-Indo-European -ḱos
snap-happy — Etymology, Origin & Word History | Etymology Explorer