封 means “seal”

ふう · fuu

Also: closing

On'yomi (Chinese reading)

フウ, ホウ

JLPT N2 · Taught in secondary school · 9 strokes

The story

A hand (寸) piling up earth (土土) to mark a boundary: sealing off a lord's land, the 封 of 封建, feudal. Now 封 is a seal: a 封筒 is an envelope, 開封 means opened, and 同封 is enclosed with a letter.

Used in 封筒 (fuutou, envelope), 開封 (kaifuu, opening a seal), and 同封 (doufuu, enclosing)

More from Handle With Care

• 捨 throw away
• 沈 sink
• 拾 pick up
• 磨 polish
• 挟 put between
• 査 examine
• 含 contain
• 接 contact
• 捜 search for
• 採 pick
• 触 touch
• 包 wrap

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Readings from KANJIDIC2, © EDRDG, CC BY-SA.