-ception · suffix1
Back-formed from words such as nociception and proprioception.
-ception · suffix2
Rebracketing of inception coined with reference to the 2010 science fiction film of the same title, the plot of which involves a team of people infiltrating someone's subconscious mind, proceeding through several layers of dreams in the process.
Etymology from Wiktionary, CC BY-SA 4.0.