兌

Glyph origin
In the oracle bone script, it is a – speech; original character of. It is also a.

Alternatively, may be interpreted as smile lines above the mouth (Gao Hongjin) or as meaning “to divide” (Lin Yiguang, i.e. the mouth is divided when smiling); in either case, the character would be the original character of.

Definitions

 * 1) to exchange
 * 2) to dilute (with a fluid)
 * ☱, the 2nd of the 8 trigrams
 * 1) 58th hexagram of the I Ching

Kanji

 * 1) exchange