triceratops
'an herbivorous dinosaur of the genus Triceratops,of the Cretaceous Period, having a bony plate covering the neck, a large horn above either eye, and a smaller horn on the nose’
Lexical development traced from the Tamil root:
Gk. trikeratos ‘three-horned’ + ōps ‘face’ < tri- ‘three’ + keras ‘horn of an animal’ < sehr < ker- < Tamil kaṭu