Why most of the word come form latin word

Latin has in fact been the origin of technical, scientific, medical, and academic words in many world languages, because Latin was the language of learning in the European Middle Ages.About 80 percent of the entries in any English dictionary are borrowed, mainly from Latin.Latin was spread through southern Europe by the Roman Empire, replacing (and absorbing) Greek as the common language. As the Empire fell, regional variations reasserted themselves, becoming the roots of modern engilsh, Italian, Spanish, French, Portuguese, etc