The story
- Old English · inherited fromġēaplīċe“cleverly; cunningly; deceitfully; boldly”
- Middle English · inherited fromȝeply
- English todayyeply
From Middle English ȝeply, ȝapliche, ȝepliche, from Old English ġēaplīċe (“cleverly; cunningly; deceitfully; boldly”), equivalent to yep + -ly.
Etymology from Wiktionary, CC BY-SA 4.0.