1Attachment; fondness or affection for a person or thing (dated reading あいじゃく; modern reading あいちゃく is common).
長年使っている鞄に強い愛着を感じる。
I feel strong attachment to the bag I've used for years.
故郷の風景に自然と愛着がわいた。
I naturally developed a fondness for the scenery of my hometown.
2In Buddhist usage: craving or attachment (a clinging desire), considered a cause of suffering.
仏教では愛着が苦しみの原因と教えられることが多い。
Buddhism often teaches that attachment is a cause of suffering.