Is this:

The Historical Thesaurus of English

For those of you who don’t already know about this, I’ll wait here while you go check it out.

Decades in the making. Linked with the OED. This is a word lover’s paradise. I’ve already emailed my thanks to the University of Glasgow for this.

I about cried when I found this. Seriously.  I was overcome with emotion. When I raxed up from my faint, I bawled like a baby.

Sorry. I spent several lovely moments clicking between the thesaurus and the OED on the word cry.