Nomadic affinity with oracle bone divination
Anyone who has studied the history of writing in China is aware that the earliest manifestation of the Sinitic script dates to around the 13th century BC, under the Shang Dynasty (ca. 1600- BC). It is referred to as jiǎgǔwén 甲骨文 ("oracle bone writing") and was used primarily (almost exclusively) for the purpose of divination. The most ideal bones for this purpose were ox scapulae, since they were broad and flat, and had other suitable properties, which I shall describe below.
The bones used for divination were prepared by cleaning and then having indentations drilled into their surface, but not all the way through. A hot poker was applied to the declivities, causing cracks to radiate from the heated focal point. This cracking was called bǔ卜, a pictograph of the lines that form in a heat-stressed bone.
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