vertebrador
structuring
vertebra
vertebra
+
-dor
adjective/noun suffix (characteristic or agent)
Vertebrador means structuring and can be thought of as vertebra0 + -dor1 (adjective suffix indicating a characteristic1), implying something that provides structure like a backbone.
adjective
- structuringThat which structures or organizesEste proyecto es el eje vertebrador de toda la estrategia. // This project is the structuring axis of the entire strategy.