Earth: Prefix crossword clue
Hidden by default so you do not spoil it by accident. Hint: it starts with G and has 3 letters.
GEO — the 3-letter solution to “Earth: Prefix”, entered at 22 Down in the Thomas Joseph crossword for June 30, 2026.
About this clue
“Earth: Prefix” appeared as 22 Down in the Thomas Joseph crossword on June 30, 2026, and the answer is 3 letters long. This is the only Thomas Joseph puzzle we have tracked it in so far.
More clues from June 30, 2026
Full guide ›Frequently asked questions
What is the answer to “Earth: Prefix”?
In the Thomas Joseph crossword for Tuesday, June 30, 2026, the answer to “Earth: Prefix” is GEO — 3 letters, entered at 22 Down.
Could the answer be different in my puzzle?
The same clue text can take different answers depending on the grid. Every time we have seen “Earth: Prefix” in the Thomas Joseph crossword the answer has been GEO, but always check the letter count against your grid.
How many letters is the answer?
The answer has 3 letters and starts with G.
Is this the official Thomas Joseph site?
No. This is an independent solver’s reference. The Thomas Joseph crossword is published by King Features Syndicate.