other N1 rare writtenliterary
を禁ずる — to prohibit
を禁ずる ・ をきんずる
A full written guide for を禁ずる is on the way.
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See を禁ずる in real sentences
Jengo shows を禁ずる the way you actually meet it: inside real Japanese sentences, so it sticks instead of staying an abstract rule.
Study it in JengoSources Compiled with reference to A Dictionary of Advanced Japanese Grammar. Editorial confidence: low.