What does 心当たり mean?
心当たり is a Japanese noun meaning “having some knowledge of, happening to know” in English. It is written as 心当たり in kanji, こころあたり in hiragana, and kokoroatari in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
心当たりはないよ。
I don't have a clue.