What does the cryptic crossword clue "Enter it if up the spout? Is she now a mummy? (9)" mean?

The wordplay uses an anagram. anagram of ENTER IT IF = NEFERTITI The answer is NEFERTITI.

Enter it if up the spout? Is she now a mummy? (9)

Guardian Cryptic #29194 | 7 Down | 2023-10-06 flower