Where does “grinnen” come from?

grinnen (Middle English) comes from Old English grennian, from Proto-West Germanic *grannjōn, from Proto-Germanic *granjōną — to howl.

Ancestry of “grinnen”, step by step

StepLanguageWordMeaning
1Old Englishgrennianto bare the teeth due to anger, pain, etc.; to grin
2Proto-West Germanic*grannjōnto howl
3Proto-Germanic*granjōnąto howl

Words derived from “grinnen”

Every word from Proto-Germanic *granjōną →Every word from Proto-West Germanic *grannjōn →Every word from Old English grennian →