What U speak Greek does is to try to gather the words that originate from Greek words and find the etymology behind them. Even the word has Greek origin even if in English came from French word etimologia that originated from the Greek word ετυμολογία. Definition of word etymology is :
MERRIAM-WEBSTER DICTIONARIES
But what is the etymology of word etymology? It is composed by the Greek word έτυμος (etymos – means true), and λόγος (logos means speaking). So with etymology, you try to find the true meaning of the words