The kanji 首 primarily represents "neck" or "head." It's a fundamental part of the human body and, by extension, can also refer to leadership, beginning, or even the top or main part of something. The meaning extends to include concepts related to the head's position or the act of decapitation.

・On-yomi (音読み): シュ (shu) ・Kun-yomi (訓読み): くび (kubi)

⚫︎ 首相 Translation: Prime Minister (literally "neck minister," indicating the head of the government) ⚫︎ 首になる Translation: To be fired/dismissed (literally "to become the neck-ed," meaning "to lose your job") ⚫︎ 首をかしげる Translation: To tilt one's head (in puzzlement or doubt)

The kanji 首 is a pictograph. It depicts the shape of a human head and neck. The top part represents the head, and the vertical line extending downwards represents the neck. Over time, the form has simplified, but the core visual representation remains.