Word: tanka
Part of speech: Noun
Syllables: tan
ka
Definition: A form of Japanese verse in five lines of 5, 7, 5, 7, and 7 morae.
Morphemes:
Affix: tanka
Language: en
PoS: Noun
Meaning: A form of Japanese verse in five lines of 5, 7, 5, 7, and 7 morae.
Etymology Compounds: Affix: 短歌
Language: ja
Decoded: Duan Ge 
Meaning: tanka