I have been a fan of Abba for a very long time, and Chiquitita is one of my favourite songs. The opening lines of the Spanish version caught my eye: "Chiquitita, dime por qué tu dolor hoy te encadena." In English, the words are "Chiquitita, tell me why your sadness imprisons you today."
The Spanish word encadena literally means enchains, and comes from the Latin word catena meaning a chain. Incidentally, in English we have the catenary arch in architecture and the catenary curve in mathematics.
catena, -ae f chain
dolor, -is m pain, grief