defend

1. Origins, structure, and basic meaning

• Structure: 衛 is read えい. It has 16 strokes and relates to guarding or defense.
• Basic usage: 衛生 is read えいせい, and 防衛 is read ぼうえい.

2. Common pitfalls and similar expressions

• 衛生 and 防衛
  • 衛生 means hygiene or sanitation.
  • 調理場では衛生管理を徹底しています。 means “The kitchen maintains strict hygiene standards.”
  • 防衛 means defense.
  • 城の防衛に備えて門と堀を修理した。 means “We repaired the gate and moat in preparation for defending the castle.”