contratiempo
setback
contra-
against
+
tiempo
time
Contratiempo means setback and can be understood as contra-0 (against0) + tiempo1 (time1), literally 'against time' or something that works against your timeline.
noun
- setbackAn unexpected problem or setbackTuvimos un contratiempo con el coche y llegamos tarde. // We had a setback with the car and arrived late.