Mr. Crackit, apparently somewhat ashamed at being found relaxing himself with a gentleman so much his inferior in station and mental endowments, yawned, and inquiring after Sikes, took up his hat to go.
There are no more uses of "endowment" in the book.
Show samples from other sources
We have a ten million dollar endowment to fight Malaria in Ghana.
Her generous endowment to the foundation made this work possible.