What does 初耳 mean?
初耳 is a Japanese noun meaning “something heard for the first time” in English. It is written as 初耳 in kanji, はつみみ in hiragana, and hatsumimi in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
その言葉は初耳です。
This is the first time that I've heard that word.