Where does “Lachflash” come from?

Lachflash (German) comes from German lachen, from Middle High German lachen, from Old High German lahhen, from Proto-West Germanic hlahhjan, from Proto-Germanic hlahjaną, from Proto-Indo-European klek- — to laugh, cackle.

Lachflash (German): the giggles

Definitions

  1. the giggles

Ancestry of “Lachflash”, step by step

Lachflash traces back through two separate lines of ancestry.

via German lachen

StepLanguageWordMeaning
1Germanlachento laugh
2Middle High Germanlachento laugh
3Old High Germanlahhen—
4Proto-West Germanichlahhjanto laugh
5Proto-Germanichlahjanąto laugh
6Proto-Indo-Europeanklek-to laugh, cackle

via English Flash

StepLanguageWordMeaning
1EnglishFlashA multimedia platform, most often used for adding animation and interactivity to webpages
2Middle Englishflasshen—
Every word from Proto-Indo-European klek- →
Lachflash — Etymology, Origin & Word History | Etymology Explorer