What does the cryptic crossword clue "Relative disquiet at EU grant (5-4)" mean?

The definition is "Relative". The wordplay uses an anagram. anagram of AT + EU + GRANT = GREAT-AUNT; definition: "Relative" The answer is GREAT-AUNT.

Relative disquiet at EU grant (5-4)

Times Cryptic #29115 | 24 Across | 2025-01-01 flower