Sacred character? Phi he represented with glory (10)
I believe the answer is:
hieroglyph
'sacred character?' is the definition.
'hieroglyph' can be an answer for 'character?' (thesaurus). I'm not sure about the 'sacred' bit.
'phi he represented with glory' is the wordplay.
'represented with' indicates anagramming the letters.
'phi'+'he'='phihe'
'phihe' mixed up with 'glory' can make 'HIEROGLYPH'.
Can you help me to learn more?
(Other definitions for hieroglyph that I've seen before include "Egyptian written symbol" , "Stylised picture found in ancient Egyptian writings" , "Theban character" , "Sign" , "A character in symbolic writing" .)