有效 (yǒuxiào) · effective

有 yǒu · to have

What 有 is made of

• 月yuè — moon; month
  • 冂 — frame
    • 丨 — vertical stroke
  • 二 — two strokes
    • 一 — horizontal stroke
    • 一 — horizontal stroke

效 xiào · result

What 效 is made of

• 交jiāo — to connect
  • 六liù — six
    • 亠tóu — lid
    • 八bā — eight
  • 乂yì — crossed strokes
    • 丿 — falling stroke
• 攵pū — to rap
  • 乂yì — crossed strokes
    • 丿 — falling stroke

Origin hint: 攵 gives the meaning, 交 gives the sound. (from the Make Me a Hanzi dataset; treat as a memory aid where history is uncertain)