laconstancia

constance; persévérance

Con constancia y paciencia, logró aprender a tocar el violín. With perseverance and patience, he managed to learn to play the violin.

Su constancia en los estudios le permitió terminar la carrera. His perseverance in his studies allowed him to finish his degree.

preuve; trace écrite

Pidió que quedara constancia por escrito de todo lo acordado. He asked for everything agreed to be put on record in writing.