abandon

1. Origins, structure, and basic meaning

• Structure: 棄 has 13 strokes and conveys discarding or giving something up.
• Basic usage: 棄権（きけん） means withdrawal or abstention; 廃棄（はいき） means disposal.

2. Common pitfalls and similar expressions

• Withdrawing from participation and discarding items
  • 決勝戦を棄権した means that someone withdrew from the final.
  • In the voting example, 棄権し indicates abstention, with no vote cast for either side.
  • In 期限を過ぎた材料を規則に従って廃棄した, expired materials were disposed of according to the rules.