The kanji 追追 primarily means "to chase," "to follow," or "to pursue." It implies the act of going after something or someone, with the intention of catching up, overtaking, or achieving a goal. It can also signify the act of driving away or expelling.

・On-yomi (音読み): ツイ (tsui) ・Kun-yomi (訓読み): お（う） (o(u))

⚫︎ 追いかける Translation: To chase; to run after. ⚫︎ 追跡 (tsuiseki) Translation: Pursuit; tracking. ⚫︎ 追加 (tsuika) Translation: Addition; supplement.

The kanji 追追 is a phono-semantic compound (形声文字, keisei moji). The left side is a component representing movement related to "walking" or "going." The right side is 音 (on), the original shape of which appears to have referred to a "bird with a short tail" or "a small bird". The combination suggests the action of a bird chasing after something or someone. This character's formation visually emphasizes the act of pursuing with the foot, combining the element of movement and the intention of following or chasing.