noun
four-character compound word; four-character idiom
Refers to a set phrase or idiom consisting of four kanji characters, often derived from classical Chinese. Many are idiomatic, but the term can also include non-idiomatic four-character compounds.
「一期一会」は有名な四字熟語です。
"Ichi-go ichi-e" is a famous four-character idiom.
この四字熟語の意味を調べて
Please look up the meaning of this four-character compound.
Compound of 四字 (four characters) + 熟語 (compound word, idiom). The term itself is a modern classification for traditional four-character phrases.