idiomatic usage
Refers to the way words and phrases are used idiomatically in a language, often discussed in linguistics or language learning contexts.
This expression has become established as an idiomatic usage.
Learning idiomatic usage helps you acquire natural Japanese.
慣用句 refers to a set idiomatic phrase, while 慣用語法 refers to the broader concept of idiomatic usage or the way language is used idiomatically.
語法 means 'usage' or 'grammar' in a general sense, while 慣用語法 specifically refers to idiomatic usage.
Compound of 慣用 (kan'yō, 'common use, idiomatic') and 語法 (gohō, 'usage, grammar').