Cardamon

the aromatic seed capsules of a tropical Asian plant, Elettaria cardamomum, of the ginger family, used as a spice or condiment and in medicine.
the plant itself.
a related plant, Amomum compactum, or its seeds, used as a substitute for true cardamom.
Historical Examples

Your pa in his day ate three carloads of cardamon seeds and cloves and used listerine by the barrel.
In Our Town William Allen White

Add one chive, one cardamon, two cloves, half a nutmeg and salt to taste.
Punch, Or The London Charivari, Vol. 156, April 9, 1919 Various

Color the liquid yellow with a little turmeric; add salt, six cloves, two cardamon seeds, and twelve pepper berries.
The Khaki Kook Book Mary Kennedy Core

The butter also is omitted at the last, but the almond, rose water, and cardamon seed are usually added.
The Khaki Kook Book Mary Kennedy Core

I’m sure she had cardamon seeds in her shabby bag, and a carriage with a crest on it waiting for her just around the corner.
Dawn O’Hara, The Girl Who Laughed Edna Ferber

noun
a tropical Asian zingiberaceous plant, Elettaria cardamomum, that has large hairy leaves
the seeds of this plant, used esp as a spice or condiment
a related East Indian plant, Amomum cardamomum, whose seeds are used as a substitute for cardamom seeds
n.

1550s, from French cardamome, from Latin cardamomum, from Greek kardamomon, from kardamon “cress” (of unknown origin) + amomon “spice plant.” The word was in English from late 14c. in Latin form.