The story
- Old English · inherited fromswētlīċe“sweetly; pleasantly”
- Middle English · inherited fromswetly
- English todaysweetly
From Middle English swetly, swetely, sweteliche, from Old English swētlīċe (“sweetly; pleasantly”), equivalent to sweet + -ly. Cognate with Old High German swuozlīhho (“sweetly”), Icelandic sætlega (“sweetly; with gratitude”), German süßlich (“sweetish; sugary”), Dutch zoetelijk (“sentimental”).
Etymology from Wiktionary, CC BY-SA 4.0.