The story
- Proto-Indo-European · derived from*sleyg-
- Proto-Germanic · inherited from*slīkaz“sleek, smooth”
- Old English · inherited fromslīc“sleek, smooth; crafty, cunning, slick”
- Middle English · inherited fromslicke
- English todayslick
From Middle English slicke, slike, slyke, from Old English slīc (“sleek, smooth; crafty, cunning, slick”), from Proto-Germanic *slīkaz (“sleek, smooth”), from Proto-Indo-European *sleyg-, *sleyǵ- (“to glide, smooth, spread”). Akin to Dutch sluik, dialectal Dutch sleek (“even, smooth”), Old Norse slíkr (“sleek, smooth”), Old English slician (“to make sleek, smooth, or glossy”).
Words from the same roots
Proto-Indo-European*sleyg- all →
Etymology from Wiktionary, CC BY-SA 4.0.