双葉

Etymology
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Noun

 * 1) bud, cotyledon

Idiom

 * 1) 栴檀は双葉より芳しい
 * せんだんはふたばよりかんばしい
 * Sendan wa futaba yori kanbashii
 * Genius shows from childhood
 * Literally “the sandalwood tree is fragrant from a sprout”