What is the answer to "Part of Q.E.D." in the WSJ Crossword?

The answer to the WSJ Crossword clue "Part of Q.E.D." is ERAT (4 letters).

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Part of Q.E.D. WSJ Crossword Clue

Down clue · from the June 27, 2026 puzzle

Stuck on “Part of Q.E.D.” from the Wall Street Journal Crossword? Here is the verified answer:

Answer

ERAT

4 letters · Down · last seen June 27, 2026

1AThings we complain about6 1DSFO setting3 2DCanal site3 3DGreen of “Casino Royale”3 4DAl Gore and Cory Booker practice it8 5DDubai dignitary4 6DBreakaway group4 7AIt’s about 2,000 miles east of LAX3 7DPerfect mark5 8DHonest to a fault7 9DA standard musical reference point is two octaves above it4 10AFirm figures, for short5