Definition of "behither"

How I had been robbed in the valley, I informed the Senators, who told me that, in very truth, the people of that side were bad livers, and naturally theevish, whereby I perceived well, that as we have with us the Countreys cisalpine and transalpine, that is, behither and beyond the mountains, so have they there the Countreys cidentine and tradentine, that is, behither and beyond the teeth: but it is farre better living on this side, and the aire is purer.

1653, Francis Rabelais [i.e., François Rabelais], translated by [Thomas Urquhart] and [Peter Anthony Motteux], “How Pantagruel with His Tongue Covered a Whole Army, and what the Author Saw in His Mouth”, in The Works of Francis Rabelais, Doctor in Physick: Containing Five Books of the Lives, Heroick Deeds, and Sayings of Gargantua, and His Sonne Pantagruel. […], London: […] [Thomas Ratcliffe and Edward Mottershead] for Richard Baddeley, […]; republished in volume I, London: […] Navarre Society […], book the third, page 308