This is the 4715th most frequent Spanish word.
comprando
Buying.
In this sentence, 'comprando' is used as a gerund, indicating an ongoing action performed by the subject.
Estoy comprando frutas en el mercado.
I am buying fruits at the market.
Here, 'comprando' functions within the phrase 'sigue comprando' to express continuation of the action.
Ella sigue comprando ropa a pesar de tener suficiente.
She keeps buying clothes despite having enough.
'Comprando' is part of the phrase 'vimos a Juan comprando,' acting as a gerund to describe an action taking place matching the temporal frame.