[xzins]

That doesn't wash with what was meant by an establishment of religion in the founders' era.

[MuddyWaters2006]

What do you believe was meant by the phrase "an establishment of religion" during the founders' era and in the establishment clause. The phrase was novel in 1789, in the sense that the exact phrase had never been used before in English or American law. Tell me what principles of interpretation you followed to arrive at your interpretation of the phrase.