orexigenic

Pronounced: uh-rek-suh-JEN-ik, adj

Notes: I saw “rex” in the word and thought it may have to do with kings or royalty (I was wrong; besides, this word does not come from Latin)

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Yesterday’s word

The word pridian means “of or relating to a previous day or to yesterday; also: former”.

Background / Comments

For such a useful word, it isn’t used much at all. It comes from Latin pri- (before) and dies (day). It’s really a pity that such a useful word never really caught on.

First usage

While it was certainly used in 1840, and seems to have been around for a few hundred years, the actual date of the first usage is hard to determine.