depender
/depenˈdeɾ/ · A2 · verb
to depend on, to rely on, to hinge on, to depend upon, to rely upon
de + pender (to hang): to hang from something, just like English depend
From Latin dependere, to hang down from. Same root as English depend, pendant and pendulum. Note the preposition: Spanish says depender de (depend OF), not depend on. Depende = it depends.