Assimilation of ap- for apo- before the aspirate, as in apheresis, aphelion, etc.(noun)
The Century Dictionary (Public Domain)
Use "aph" in a sentence
"It has been pointed out as a suspicious circumstance that in ver. 9, "the phrase aph 'hes ekbeble'kei epta ` daimo'nia, is attached to the name, of Mary Magdalene, although she had been mentioned three times before without such appendix."