One thing you can do is, if you come across a word you're curious about, plug it into Wiktionary and see what comes up. Wiktionary tends to be pretty good with

One thing you can do is, if you come across a word you're curious about, plug it into Wiktionary and see what comes up. Wiktionary tends to be pretty good with etymology. For example, thaumaturgy: https://en.wiktionary.org/wiki/thaumaturgy https://en.wiktionary.org/wiki/thaumaturgy Clicking on one of the links provided gives this: https://en.wiktionary.org/wiki/ἔργον https://en.wiktionary.org/wiki/ἔργον which lists a number of derived forms. Did you know that the words "energy" and "lethargy" and the prefix "ergo-" come from a derivative the Greek root of "urge"? Neither did I until I started writing this comment. And looking up "demiurge" leads me to this: https://en.wiktionary.org/wiki/Δημιουργός https://en.wiktionary.org/wiki/Δημιουργός where it comes from the Greek for "public worker". So that probably means the "demi" in "demiurge" comes from the same root as "democratic"! And going to the lowercase form gives https://en.wiktionary.org/wiki/δημιουργός https://en.wiktionary.org/wiki/δημιουργός And I just realized that referring to a divine entity as "the Demiurge" is just a fancy way of saying "the Creator" or "the Maker".