Word: senpai
Part of speech: Noun
Syllables: sen
pai
Definition: The senior member of a group in Japanese arts; a mentor.
Morphemes:
Affix: senpai
Language: en
PoS: Noun
Meaning: The senior member of a group in Japanese arts; a mentor.
Etymology Compounds: Affix: 先
Language: ltc
Decoded: Xian 
Meaning: first, former
Affix: 輩
Language: ltc
Decoded: Bei 
Meaning: generation