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"backed" is also used as a crossword clue. If that's what you saw, the answer is often sponsored (9 letters).
Definitions
having a back or backing, usually of a specified type
Word origin
From back (noun) + -ed.
Used in a sentence
“He wishes to have the senior, or old square-toes, backed; he longs to have his father on six men's shoulders; that is, carried to the grave.”
“a high-backed chair”
“sway-backed”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Supported”6 letters
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