Word: nishi
Part of speech: Noun
Syllables: ni
shi
Definition: a rikishi ( 力士 “sumo wrestler”) listed on the left side of the banzuke
Morphemes:
Affix: nishi
Language: en
PoS: Noun
Meaning: a rikishi ( 力士 “sumo wrestler”) listed on the left side of the banzuke
Etymology Compounds: Affix: 西
Language: ja
Decoded: Xi 
Meaning: west