thesaurus

44 Years in the making, the Historical Thesaurus of the Oxford English Dictionary.

The Historical Thesaurus of the Oxford English Dictionary (HTOED) is a unique new resource charting the semantic development of the huge and varied vocabulary of English. It is the first comprehensive historical thesaurus ever produced for any language, containing almost every word in English from Old English to the present day…

I think I’m just going to want to read it.