尻

1. Origins, structure, and basic meaning

• Structure: 尻 is read as しり and can mean the buttocks or the end of a long sequence.
• Basic usage: It appears in 尻もち for landing on one’s bottom and in 行列の尻 for the end of a line.

2. Common pitfalls and similar expressions

• Falling onto the buttocks
  • 尻もちをつく means falling backward onto one’s bottom and sitting down. Example: 子どもは尻もちをついて砂の上に座り込んだ。
• The end of a line
  • 行列の尻 uses 尻 figuratively for the last part of the long line. Example: 長い行列の尻に、さらに数人が加わった。