The term electoral college comes from the constitution itself

False

Explanation:

The term "Electoral college" was known to came into been or usage in the 19th century, and can be explained as the group of electors that are designated to formally cast vote for the president and vice president.

It should be understood that the designated electors are known to be  the official 538 Presidential electors that come together every four years during the presidential election to give their official votes for President and Vice President of the United States.

Some of the other countries that make use of this term or process are , Myanmar, Pakistan, Trinidad and Tobago, Burundi among others.

in conclusion, since the word has been in use since the 19th century, it can be deduced that it is not from the constitution itself.