Start for skeleton or sphere WSJ Crossword Clue
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The most common and recent 3-letter answer for "Start for skeleton or sphere" is EXO.
The prefix 'exo-' is used in words to indicate something that is outside or external. In the case of 'skeleton,' 'exoskeleton' refers to an external skeleton, and 'exosphere' refers to the outermost layer of a planet's atmosphere.
This clue was last seen in the WSJ Crossword on October 22, 2025.
Exo is a prefix meaning outside or external.
Prefix with skeleton, Start for biology or skeleton, Skeletal prefix
The clue “Start for skeleton or sphere” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated October 22 2025, the definitive 3-letter answer is: EXO.
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