What does the cryptic crossword clue "A little eccentric, hippy aura (3)" mean?

The definition is "aura". The wordplay uses a hidden word. Hidden in "a little eccentriC, HIppy aura" The answer is CHI.

A little eccentric, hippy aura (3)

Guardian Cryptic #29188 | 21 Across | 2023-09-29 flower