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
Sine "Euler's formula", as well as the near-modern abbreviations "sin., cos., tang., cot., sec.," and "cosec." Etymologically, the word "sine" derives from the Sanskrit word for chord, "jiva"*("jya" being its more popular synonym). This was transliterated in Arabic as "jiba" جيب, which however is meaningless in that language and abbreviated "jb" جب . Since Arabic is written without short vowels, "jb" was interpreted as the word "jaib" جيب, which means "bosom". When the Arabic texts were translated in the 12th century into Latin by Gerard of Cremona, he used the Latin equivalent for "bosom", "sinus" (which means "bosom" or "bay" or