Kolpos excess fabric was pulled up over it. The fabric fell over the girdle so as to hide it, and was often pulled longer in back than in front. This fold was the kolpos. A second (visible) zone could be tied over the kolpos to redefine the waist, high or low. This might be hidden again by the apoptygma, the loose, folded down top of the peplos. Kolpos The kolpos (Greek: κόλποις κόλπον κόλπῳ, a gulf, bay or creek) is the "blousing" of a peplos, chiton or tunic in Ancient Greek clothing, whereby excess length of the material hangs folded over
Hyperbola not Euclidean). The word "hyperbola" derives from the Greek , meaning "over-thrown" or "excessive", from which the English term hyperbole also derives. Hyperbolae were discovered by Menaechmus in his investigations of the problem of doubling the cube, but were then called sections of obtuse cones. The term hyperbola is believed to have been coined by Apollonius of Perga (c. 262–c. 190 BC) in his definitive work on the conic sections, the "Conics". The names of the other two general conic sections, the ellipse and the parabola, derive from the corresponding Greek words for "deficient" and "applied"; all three names are