Etymology
From Middle English snod, from Old English snōd (“headdress, fillet, snood”), from Proto-West Germanic *snōdu, from Proto-Germanic *snōdō (“rope, string”), from Proto-Indo-European *snoh₁téh₂ (“yarn, thread”), from *sneh₁(i)- (“to twist, wind, weave, plait”).
Cognate with Scots snuid (“snood”), Swedish snod, snodd (“twist, twine”). Compare also Old Saxon snōva (“necklace”), Old Norse snúa (“to turn, twist”), snúðr (“a twist, twirl”), English needle.