First, let's clarify the naming convention. The word is a portmanteau of "Intermediate" and "Upgrade." Square Enix chose this title to signify that this version is not a sequel but an enhanced stepping stone between the original Remake and the upcoming Rebirth .
The title "Intergrade" is not a standard sequel suffix like Episode 2 . Instead, Square Enix coined the term to represent a "period of transition" or "integration." It serves a dual purpose: Final Fantasy VII Remake- Intergrade