entrecruzarán
-they will interweave
The word entrecruzarán is the future form of entrecruzar in the third person plural.
See the full entrecruzar conjugation

entrecruzar

Las esferas intersectoriales del género y el desarrollo y las tecnologías de la información y la comunicación para el desarrollo se entrecruzarán con las esferas temáticas.
The cross- cutting areas of gender and development and information and communication technologies (ICTs) for development will be threaded throughout the thematic areas.
Después de decir esto, las dos vías se cruzarán y se entrecruzarán.
Having said that, the two tracks should intersect and intertwine.
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