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é
blue
Meanings
blue RTKYoung
Mnemonic Aliases
Narrative names used in mnemonics for this kanji.
blue vase(mnemonic)
Community Mnemonic
Ⲡ604 votes
"Once in a blue moon" refers to a rare event. But originally "blue moon" refers to a full moon, in other words a fully grown-up moon. Whether once a month is rare or not depends on what we're talking about, but that happens to be the origin of the expression.
Source: Kanji Koohii community
Radical Components
On'yomi
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Kun'yomi
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