witness-mark
n.— «“To the poor is the gospel preached.” They are interwove with the witness-mark of Christianity.» —by Richard Winter Hamilton Sermons (Leeds) , 1846. (source: Double-Tongued Dictionary)
Further reading
In 1916, a small-town newspaper in Pennsylvania printed a fanciful item about a local gathering with a guest list that included, among others, Miss Ella Vader, Mr. Ray Zor, and other punny names. This is part of a complete episode. Transcript of...
If you vouch for something, you guarantee that what you’re saying is true. In the early 14th century, vouch was a transitive verb that meant “to summon into court to prove a title.” Vouch was adapted into English from an Old French word meaning “to...