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
History of trigonometry of Enlightenment, beginning with 17th-century mathematics (Isaac Newton and James Stirling) and reaching its modern form with Leonhard Euler (1748). The term "trigonometry" was derived from Greek τρίγωνον "trigōnon", "triangle" and μέτρον "metron", "measure". The modern word "sine" is derived from the Latin word "sinus", which means "bay", "bosom" or "fold" is indirectly, via Indian, Persian and Arabic transmission, derived from the Greek term "khordḗ" "bow-string, chord". The Greek term was adopted into Sanskrit as "jyā" "bow-string", later also in the variant "jīvā". Sanskrit "jīvā" was rendered adopted into Arabic as "jiba", written "jb" جب. This was then interpreted as