Where does “sly” come from?

Sly comes from Middle English sly, from Old Norse slœgr meaning clever or cunning, ultimately from Proto-Indo-European slak-.

sly (English): Artfully cunning; secretly mischievous; wily;...

Definitions

  1. Artfully cunning; secretly mischievous; wily;...

Ancestry of “sly”, step by step

StepLanguageWordMeaning
1Middle EnglishslyJudicious, considered, shrewd; having or...
2Old Norseslǿgrcrafty, cunning, sly
3Proto-Germanicslōgizable to strike; sly, cunning, clever
4Proto-Indo-Europeanslak-to hit; strike; to hit, strike, throw; to hit,...

Words derived from “sly

Every word from Proto-Indo-European slak-Every word from Proto-Germanic slōgizEvery word from Old Norse slǿgr
sly — Etymology, Origin & Word History | Etymology Explorer