What does 己 mean?
己 is a Japanese noun meaning “oneself” in English. It can also be translated as “I, you, interjection expressing anger or chagrin” depending on context. It is written as 己 in kanji, おのれ in hiragana, and onore in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
他人を己を持って計ってはいけない。
You must not judge others by yourself.