This is the 10273rd most frequent Spanish word.
comió
"Comió" means "ate."
The verb 'comió' is in the third person singular form of the preterite tense, meaning 'ate' in English. Here, it describes a completed past action performed by 'ella' (she).
Ella se comió toda la comida.
She ate all the food.
In this context, 'comió' is used in an interrogative sentence to question the identity of the subject (who) who performed the past action of eating.
¿Quién se comió mi pastel?
Who ate my cake?
Here, 'comió' refers to a single complete action performed by the subject 'el perro' (the dog) in the past, emphasizing the sequence of actions.