herradura
horseshoe
hierro
iron
+
dura
hard
Herradura means horseshoe and can be thought of as a combination of hierro0 (iron0) and dura1 (hard1), referring to the hard iron object placed on a horse's hoof.
noun
- horseshoeA U-shaped metal plate nailed to a horse's hoof for protectionEl herrero colocó una nueva herradura en el caballo. // The blacksmith put a new horseshoe on the horse.