Second, interpretation:
1, the rope between the two ends of the bow back, uses its elasticity to send an arrow: bow ~.
2. Lines rubbed and vibrated on musical instruments.
3, clockwork, etc.
4. A line segment connecting two points on the circumference.
5. In ancient China, the hypotenuse facing the right angle in the isosceles right triangle was called.
Third, etymological explanation:
The word "string" is mysterious, both beside the sound and the shape, that is, "Yao", a thin single line. String, seal script (bow) (Yao, silk thread), the original meaning of word-making: the tendon that is taut at both ends of the bow and shoots arrows with its elasticity.
Merging the "string" string, regular script (silk) (Yao, silk), the original meaning of word-making: tight silk or metal thread on musical instruments. ?
Attached to the classical Chinese version of "Shuo Wen Jie Zi": string, bow string also. Seen from the bow, it looks like a silk. All strings are strings.
The vernacular version of Shuo Wen Jie Zi is attached: strings are tied at both ends of the crossbow. The glyph takes the "bow" as the edge, like a string tied at both ends of the bow. All words related to bows are bounded by "bows".
Extended data:
First, the evolution of glyphs:
Second, related words:
1，[lǎo Xián][l?oxián]？
Thick strings used in musical instruments, such as Jinghu and Erhu.
2. Chord [hé xián]?
Make three or more sounds at once. A triad consists of three tones, and the seventh and ninth tones are added to the triad to form the seventh and ninth chords respectively.
3. Lower chord [xià xián]?
A moon phase. On the 22nd or 23rd of each month in the lunar calendar, when the connection between the sun and the earth is at right angles to the connection between the earth and the moon, the moon is seen on the earth. Shape, this stage of the moon is called the last quarter moon, and the moon at this time is called the last quarter moon.
Baidu Encyclopedia-String