Word: koban
Part of speech: Noun
Syllables: ko
ban
Definition: An oval gold coin in the Edo period of feudal Japan.
Morphemes:
Affix: koban
Language: en
PoS: Noun
Meaning: An oval gold coin in the Edo period of feudal Japan.
Etymology Compounds: Affix: 小判
Language: ja
Decoded: Xiao Pan 
Meaning: こばん, koban