cansándose
Cansándose is the Spanish gerund form of the verb cansarse, which translates to "to get tired" or "to become tired" in English. The gerund form describes an ongoing or continuous action. Therefore, "cansándose" indicates the process of someone or something becoming tired. It's a verb form used to express that the state of being tired is in the process of happening.
For example, in a sentence like "El perro va cansándose" (The dog is getting tired), "cansándose" shows