expression
perfectly fitting phrase; aptly put
Used to praise a phrase or expression that captures a situation or feeling exactly right, often with a sense of cleverness or wit.
彼のスピーチは、まさに言い得て妙だった。
His speech was perfectly apt.
「急がば回れ」とは言い得て妙だね。
'Haste makes waste' is a perfectly fitting phrase, isn't it?
A set phrase combining 言い得る (to be able to say) in the て-form with 妙 (exquisite, strange), literally 'having said it, it's exquisite'. The exact historical derivation is uncertain, but it is a conventional expression for praising an apt remark.