idiom

nouns

a manner of speaking that is natural to native speakers of a language
is derived from
is derived from
the usage or vocabulary that is characteristic of a specific group of people
"the immigrants spoke an odd dialect of English"; "he has a strong German accent"; "it has been said that a language is a dialect with an army and navy"
the style of a particular artist or school or movement
"an imaginative orchestral idiom"
an expression whose meanings cannot be inferred from the meanings of the words that make it up
is derived from