Where does “esforçado” come from?

esforçado (Portuguese) comes from Old Portuguese esforçado, from Old Portuguese esforçar, from Vulgar Latin exfortiare, from Latin fortis, from Old Latin forctis, from Proto-Italic forktis, from Proto-Indo-European bʰerǵʰ- — to rise; high, lofty; hill, mountain.

esforçado (Portuguese): showing power and initiative; hard-working;...