provenance

考古学家正在研究这件青铜器的来源。

The archaeologists are studying the ___provenance of this bronze artifact.

这幅画的来源可以追溯到15世纪的意大利。

The ___provenance of this painting can be traced back to 15th-century Italy.

这幅画的历史可以追溯到19世纪，它的来源非常清晰。

The ___provenance of this painting is well-documented, tracing back to the 19th century.