rubric

What it means

1. A heading in a book highlighted in red.
2. A title of a category or a class.

   That would fall under the rubric of things we can ignore for now.

   1 more example

   And in one swoop, the Attorney General conceded to the president nearly unlimited power, just as long as he finds a lawyer willing to stuff his actions into the boundless rubric of “defending the country.”

   2008, Chris Dodd, Senator Dodd Speaks in Opposition to FISA Bill on Floor of U.S. Senate

3. ChristianityThe directions for a religious service, formerly printed in red letters.

   All the clergy in England solemnly pledge themselves to observe the rubrics.

   1842, Walter Hook, Church Dictionary

In a sentence

That would fall under the rubric of things we can ignore for now.

Where it comes from

1. Proto-Indo-European*h₁rewdʰ-
2. Latinrūbrīca“red ochre”
3. Old Frenchrubrique
4. Middle Englishrubriche
5. Englishrubric

From Middle English rubriche, rubrike, from Old French rubrique, from Latin rūbrīca (“red ochre”), the substance used to make red letters, from ruber (“red”), from Proto-Indo-European *h₁rewdʰ-.