the.com/woolly

Nature's sweater, worn by anything stubborn enough to survive a winter you'd quit.

means Covered in or resembling wool — soft, fuzzy, and fleecy — or, by extension, vague and muddled, as in fuzzy thinking.

from From Old English 'wull,' the word for sheep's fleece, itself from a Germanic root (compare Dutch 'wol' and German 'Wolle') and ultimately a cousin of Latin 'lana' and Sanskrit 'urna,' all tracing back to a Proto-Indo-European word for wool — proof that humans have been naming the fuzzy stuff for a very long time. 'Woolly' simply means 'wool-like,' and the figurative sense of 'unclear' or 'confused' grew naturally from the image of something soft-edged and indistinct, like a thought you can't quite comb straight.

mammoth tribute
The woolly mammoth lasted until 1650 BCE on one Arctic island.
thermal trick
Wool stays warm even when soaking wet.
caterpillar forecaster
Woolly bear caterpillars are folklore weather predictors.
flame resistant
Wool naturally self-extinguishes instead of bursting into flame.
vague twin
Also means fuzzy thinking, not just fuzzy sheep.
for instance

woolly mammoth — extinct ice age elephant with long hair, last population died on wrangel island around 2000 bce

woolly rhinoceros — extinct pleistocene rhino with thick fur, went extinct roughly 14,000 years ago in siberia

woolly adelie penguin — antarctic penguin species pygoscelis adeliae, covered in dense feathers on antarctic coasts

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