Word: koka
Part of speech: Noun
Syllables: ko
ka
Definition: The smallest technical score that can be awarded in a judo competition.
Morphemes:
Affix: koka
Language: en
PoS: Noun
Meaning: The smallest technical score that can be awarded in a judo competition.
Etymology Compounds: Affix: 効果
Language: ja
Decoded: Xiao Guo 
Meaning: kōka