Dinosaur Origin Of Word - Web dire (adj.) causing or attended by great fear, dreadful, awful, 1560s, from latin dirus fearful, awful, boding ill, a. “deinos,” meaning “terrible” or “fearfully great,” and “sauros,”. Web the word “dinosaur” originates from two greek words:
“deinos,” meaning “terrible” or “fearfully great,” and “sauros,”. Web the word “dinosaur” originates from two greek words: Web dire (adj.) causing or attended by great fear, dreadful, awful, 1560s, from latin dirus fearful, awful, boding ill, a.