glyptodon (n.)
extinct gigantic armadillo-like mammal from the Pleistocene of South America, 1838, irregularly formed from Greek glyptos "carved, engraved" (verbal adjective of glyphein "to engrave, carve;" from PIE root *gleubh- "to tear apart, cleave") + odon (genitive odontos) "tooth" (from PIE root *dent- "tooth"). So named for its fluted teeth.
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