What does the cryptic crossword clue "Mutter being made ill with inn food (9)" mean?

The definition is "food". The wordplay uses an anagram. anagram of MUTTER + INN = NUTRIMENT; definition: "food" The answer is NUTRIMENT.

Mutter being made ill with inn food (9)

Independent Cryptic #11744 | 3 Down | 2024-05-31 flower