浮木 (ふぼく, fuboku) Japanese meaning: driftwood | KotomoraExpressions
盲亀の浮木extremely rare event; once-in-a-lifetime chance
Standard kanji spelling for driftwood.
うきぎ
Alternate reading; less common than ふぼく.
Etymology
Compound of 浮 (fu, 'floating') and 木 (boku, 'wood'). The reading うきぎ is a native Japanese reading of the same characters.
