Word: seiyuu
Part of speech: Verb
Syllables: sei
yu
u
Definition: To take on a role as a voice actor in a Japanese production, or perform a certain character in such a production.
Morphemes:
Affix: seiyuu
Language: en
PoS: Verb
Meaning: To take on a role as a voice actor in a Japanese production, or perform a certain character in such a production.
Etymology Compounds: Affix: 聲
Language: ltc
Decoded: Sheng 
Meaning: *ɕiɛ̝ŋ
Affix: 優
Language: ltc
Decoded: You 
Meaning: *ʔɨu