The story
- Proto-Germanic · inherited from*stilliþō“stillness, quietness”
- Old English · inherited from*stilþ
- Middle English · inherited fromstilthe
- English todaystillth
From Middle English stilthe, from Old English *stilþ, *stillþ, *stillþu (“stillness”), from Proto-Germanic *stilliþō (“stillness, quietness”), equivalent to still + -th (abstract nominal suffix). Cognate with West Frisian stilte (“silence, stillness, quietness”), Dutch stilte (“silence, stillness, quietness”), Low German stilte (“quietness”), Old High German stillida (“quietness”).
Etymology from Wiktionary, CC BY-SA 4.0.