“Fiber source”
The verified answer to the Newsday Crossword clue “Fiber source”, with letter-by-letter analysis and the full puzzle context for the Thursday, July 30, 2026 puzzle.
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The Answer
The answer to “Fiber source” is OAT
Letter analysis: the 3-letter answer
Vowels, consonants, and crossword construction notesThe clue “Fiber source” appeared in the Newsday Crossword on Thursday, July 30, 2026 as a down entry. The verified answer is OAT — a 3-letter word that begins with O and ends with T.
This answer contains 2 vowels and 1 consonant. The Newsday Crossword is published daily by Newsday on Long Island and edited by Stan Newman, whose Saturday Stumper is widely considered one of the toughest mainstream crosswords in print.
Other clues with the answer OAT
OAT has been used as the answer for these Newsday Crossword cluesMore clues from the July 30, 2026 puzzle
Thursday Newsday CrosswordFrequently asked questions about “Fiber source”
What is the answer to “Fiber source” in the Newsday Crossword?
The verified answer is OAT — a 3-letter word that appeared as a down entry on Thursday, July 30, 2026.
How many letters is the answer to “Fiber source”?
The answer OAT contains 3 letters.
Was “Fiber source” an across or down clue?
This clue ran as a Down entry.
Is this site affiliated with Newsday?
No. This is an independent fan reference site — we are not affiliated with Newsday. The Newsday Crossword is a trademark of its respective owner. We solve and verify each Newsday Crossword puzzle manually before publishing the answer key.