What do you mean by pronunciation?

Thirdly, the first-class Chinese word, pronounced as or, was first seen in Oracle Bone Inscriptions. Its original meaning is fetus, or it may be a sacrifice to children.

Later, it was extended to refer to the heir, as the sixth of the twelve branches. It can also represent the "snake" and termination in the Chinese zodiac (that is, the so-called "Ye Si" in Shuo Wen Jie Zi) and so on.

From the word meaning, the original meaning of the word "heir" is "fetus", or it may be "offering sacrifices to children", which is extended to the meaning of "heir". Later, it was borrowed as "the sixth place in the twelve earthly branches" to coordinate with the heavenly stems to mark the year, month, day and time, or it may be the meaning of "snake" in the twelve zodiac signs.

Extended data:

Group words:

1, Shi Si? [? sì？ shí？ ]? The old time system refers to the time from 9 am to 11 am.

2. Xin Wei? [? xīn？ sì？ ]? Sixty jiazi ranked eighteenth in summer and April.

3. three forks? [? sān？ sì？ ]? That is, thinking, originally refers to the third day of the third lunar month, Wei? Later, it refers to the third day of the third lunar month.

4. Si Yuan? [? yuan？ sì？ ]? That is, Shangsi, the third day of the first three months of the lunar calendar, is an unlucky day in the old customs and is called "repair".