The kanji 始始 primarily conveys the idea of "beginning," "start," or "commencement." It signifies the initiation of an action, process, or event. It can also refer to the origin or the first point in time. It's a fundamental concept related to the concept of time and sequential order.

・On-yomi (音読み): シ (shi) ・Kun-yomi (訓読み): はじ（める） (hajimeru - to begin), はじ（まる） (hajimaru - to begin, to start)

⚫︎始まります。 Translation: It will begin. / It starts. ⚫︎一日はじまり。 Translation: The start of the day. ⚫︎最初（さいしょ）から Translation: From the beginning

The kanji 始始 is a phono-semantic compound (形声文字). The left side is 女 (woman) and the right side is 台 (platform). It is thought that the original meaning of the character was related to a woman giving birth (the beginning of life). Later, it extended to represent "beginning" or "start" in a broader sense.