Before marking this post duplicate or voting to get it closed (the reason for which I simply don't get just because it is a grammar forum after all! If I am seeking recommendation for a book that ...
Possible Duplicate: Regulatory bodies and authoritative dictionaries for English Many times I searched across several books for the usage of some words and many times I've found my results ...
I would be interested in using a sort of etymological thesaurus. Imagine a normal thesaurus, but with each word in an entry somehow marked to indicate whether it comes ultimately from Latin, German, ...