Where does “grinning” come from?

Grinning comes from Middle English grinnen and Old English grennian, whose original sense remains uncertain.

grinning (English): present participle of grin; The act or expression...

Definitions

  1. present participle of grin; The act or expression...

Ancestry of “grinning”, step by step

StepLanguageWordMeaning
1EnglishgrinA smile in which the lips are parted to reveal...
2Middle Englishgrinnen
3Old Englishgrennianto bare the teeth due to anger, pain, etc.; to grin
4Proto-West Germanic*grannjōnto howl
5Proto-Germanic*granjōnąto howl

Words derived from “grinning

Every word from Proto-Germanic *granjōnąEvery word from Proto-West Germanic *grannjōnEvery word from Old English grennian