What does the cryptic crossword clue "Dainty, a little thin, I flew upward (5)" mean?

The definition is "Dainty,". The wordplay uses hidden reversed. Hidden reversed in "dainty, a little thiN, I FLEw upward" The answer is Elfin.

Dainty, a little thin, I flew upward (5)

Telegraph Prize Cryptic #3094 | 2 Down | 2021-02-07 flower