Where does “flashingly” come from?

flashingly (English) comes from English flashing, from English Flash, from Middle English flasshen.

flashingly (English): With a flashing appearance

Definitions

  1. With a flashing appearance

Ancestry of “flashingly”, step by step

flashingly traces back through two separate lines of ancestry.

via English flashing

StepLanguageWordMeaning
1EnglishflashingA sudden blazing or bursting, as of fire or...
2EnglishFlashA multimedia platform, most often used for adding animation and interactivity to webpages
3Middle Englishflasshen

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Middle English flasshen