The intro to a piece in Hurriyet:

In general, the changes we have made - and are making - in the Hürriyet Daily News & Economic Review have been warmly greeted by readers. Yes, the "Horizons" page with its unorthodox geographical divisions has turned a few heads. And if the point of our our new "Metronome" is indeed to catch the "beat of the cities," we will first have to catch it ourselves. Give us another week or two.David Judson

What seems to be most disconcerting about our new look is the "Economic Review" section, which consists of five pages printed upside down, enabling us to start a "second front" from what was hitherto the back page. I hope a bit of amplification will prove helpful.

The background to the use of this approach must include the fact that while it is an innovation at the Daily News, and probably a journalistic "first" in the way we have done it, it is not truly original. In newspaper jargon, it is sometimes called the "Janus format," so named for the god of Roman mythology said to have two faces. In addition to the new look of the Daily News, this patron of doorways and new beginnings has also given the English language at least two words. "January," for the beginning month of the year, and "janitor," the one who looks after the maintenance of buildings and doorways are among them. I would include the Ottoman equivalent of the Pretorian Guard, the "Janissaries" in English, but this is just a guess I have been unable to substantiate. [etc.]

... wow, outside of the obvious janitor and January, I can't find any confirmation of 'Janus format' being used in this way; I'm pretty sure Jannisary derives from a Turkish word, not Latin ...