de su bolsillo

from his/her pocket; out of his/her own pocket

→ de
phrase Rare #40,221
from his/her pocket; out of his/her own pocket In the sense of paying, it means paying with one’s own money. “Su” can mean his, her, or your formal, depending on context.
SP: Tuvo que pagar la reparación de su bolsillo.
EN: He had to pay for the repair out of his own pocket.

El doctor sacó el papel de su bolsillo.

The doctor took the paper out of his pocket.

Saque el celular de su bolsillo.

Take your cell phone out of your pocket.

Y en su lugar, el señor le dio dinero de su bolsillo, antes de marcharse.

And instead, the man gave him money from his own pocket before leaving.

— स्वदेस (2004)

John sacó una llave de su bolsillo.

John took a key out of his pocket.

Él sacó una moneda de su bolsillo.

He took a coin out of his pocket.

No tenía seguro de viaje y tuvo que pagar todo el hospital de su bolsillo.

He did not have travel insurance and had to pay for the entire hospital out of his own pocket.

Saca algo de su bolsillo.

He takes something out of his pocket.