erinaceous

erinaceous (er-uh-NEY-shuhs) - adj., of, pertaining to, or resembling a hedgehog.


Presumably especially their spininess. Taken directly from Latin ērināceus, from ēr (or possibly ēris), hedgehog, ultimately from PIE root *ǵʰḗr, hedgehog, a derivative of *ǵʰer, to be bristly.


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---L.