Word: juku
Part of speech: Noun
Syllables: ju
ku
Definition: A private Japanese school offering lessons outside of regular school time.
Morphemes:
Affix: juku
Language: en
PoS: Noun
Meaning: A private Japanese school offering lessons outside of regular school time.
Etymology Compounds: Affix: 塾
Language: ja
Decoded: Shu 
Meaning: cram school