经纬 is formed by combining 经, meaning the warp or longitudinal threads in weaving, and 纬, meaning the weft or latitudinal threads. This pairing directly originates from textile production, where warp and weft are the fundamental perpendicular components that constitute fabric. The term was subsequently applied to geography to represent longitude and latitude, extending the concept of intersecting threads to describe terrestrial coordinates, thereby creating a word that denotes essential crosswise and lengthwise axes.