It's FREE, of course, like all other resources at CTCWeb. Roots of English emphasizes the etymologies of words from Greek and Latin, versus simple definitions. Cotter sections words to find their true meanings and discover their roots. Cotter is a professor of Classics at Seton Hall. I learn from Roots every time I use it.
Nothing is better than that positive feeling.
Each receives the Bronze Chalice award. AbleMedia awards Silver Chalices for the outstanding submissions of the month. At the end of each year, AbleMedia awards Gold Chalices for the outstanding submissions of the year. CTCWeb is a repository of practical tools, for educators and other classicists, to enhance the use of computer technology in Classics education. At CTCWeb, students, educators and others find the free dissemination and open exchange of practical educational materials, systems, and applications by individuals and organizations involved in the Classics community.