Stroke count: 7
Meaning: exchange
Kunyomi: よろこ.ぶ
Onyomi: ダ エイ エツ タイ
Composition: 八 兄
Radical: 儿
Meaning: legs
兌 (ダ) dui (one of the trigrams of the I Ching: swamp, west)
兌換 (ダカン) conversion (of paper money, esp. into specie)
発兌 (ハツダ) publication, printing